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You Are Here > Baseball-Reference.com > Leaders & Records > Single-Season Leaders & Records for Wild Pitches
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Single-Season Leaders & Records for Wild Pitches
+ - Indicates Hall of Famer. Bold indicates active player.
Only players who finished in the top 40 for the majors in a season will appear on this list. Leaders from the current season are only included for rate stats after July 1st.
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
|---|---|---|---|---|
| 1. | Bill Stemmeyer (21) | 63 | 1886 | R |
| 2. | Hardie Henderson (22) | 55 | 1885 | R |
| 3. | Tony Mullane (27) | 51 | 1886 | R |
| Mickey Welch+ (26) | 51 | 1886 | R | |
| 5. | Matt Kilroy (20) | 50 | 1886 | L |
| 6. | Will White (24) | 49 | 1879 | R |
| 7. | John Harkins (25) | 48 | 1884 | R |
| 8. | Henry Gruber (26) | 47 | 1890 | R |
| 9. | Jim McElroy (22) | 46 | 1884 | |
| Jim Whitney (23) | 46 | 1881 | R | |
| 11. | George Bradley (26) | 43 | 1879 | R |
| Bob Emslie (25) | 43 | 1884 | R | |
| John Kirby (21) | 43 | 1886 | R | |
| 14. | Billy Serad (21) | 42 | 1884 | R |
| 15. | Mark Baldwin (23) | 41 | 1887 | R |
| 16. | Ed Daily (22) | 40 | 1885 | R |
| John Healy (19) | 40 | 1886 | R | |
| Tim Keefe+ (29) | 40 | 1886 | R | |
| Will White (23) | 40 | 1878 | R | |
| 20. | Mark Baldwin (25) | 39 | 1889 | R |
| George Bradley (24) | 39 | 1877 | R | |
| Ed Crane (28) | 39 | 1890 | R | |
| John Harkins (26) | 39 | 1885 | R | |
| John Healy (20) | 39 | 1887 | R | |
| Jack Lynch (29) | 39 | 1886 | R | |
| Al Mays (21) | 39 | 1886 | ||
| Mickey Welch+ (24) | 39 | 1884 | R | |
| Mickey Welch+ (25) | 39 | 1885 | R | |
| 29. | Frank Foreman (26) | 38 | 1889 | L |
| Billy Serad (22) | 38 | 1885 | R | |
| 31. | Tim Keefe+ (30) | 37 | 1887 | R |
| Terry Larkin () | 37 | 1878 | R | |
| Gus Weyhing (22) | 37 | 1889 | R | |
| Jim Whitney (25) | 37 | 1883 | R | |
| 35. | Charley Radbourn+ (28) | 36 | 1883 | R |
| Amos Rusie+ (19) | 36 | 1890 | R | |
| 37. | Tim Keefe+ (28) | 35 | 1885 | R |
| Toad Ramsey (21) | 35 | 1886 | L | |
| Park Swartzel (23) | 35 | 1889 | R | |
| Will White (25) | 35 | 1880 | R | |
| Stump Wiedman (25) | 35 | 1886 | R | |
| 42. | George Bradley (23) | 34 | 1876 | R |
| Bert Cunningham (24) | 34 | 1890 | R | |
| Ed Cushman (33) | 34 | 1885 | L | |
| Cyclone Miller (26) | 34 | 1886 | L | |
| Blondie Purcell (25) | 34 | 1879 | R | |
| Charley Radbourn+ (29) | 34 | 1884 | R | |
| Charley Radbourn+ (30) | 34 | 1885 | R | |
| 49. | Ed Begley (21) | 33 | 1884 | |
| John Clarkson+ (26) | 33 | 1888 | R | |
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
| Charlie Ferguson (21) | 33 | 1884 | R | |
| Matt Kilroy (23) | 33 | 1889 | L | |
| Tip O'Neill (25) | 33 | 1883 | R | |
| Jack Stivetts (22) | 33 | 1890 | R | |
| 55. | Hank Gastright (25) | 32 | 1890 | R |
| Dupee Shaw (26) | 32 | 1885 | L | |
| Adonis Terry (21) | 32 | 1886 | R | |
| John Ward+ (21) | 32 | 1881 | R | |
| Jim Whitney (27) | 32 | 1885 | R | |
| 60. | Mark Baldwin (26) | 31 | 1890 | R |
| Ed Crane (30) | 31 | 1892 | R | |
| Pud Galvin+ (24) | 31 | 1881 | R | |
| George Haddock (23) | 31 | 1890 | R | |
| Harry McCormick (23) | 31 | 1879 | R | |
| Hank O'Day (24) | 31 | 1887 | R | |
| Toad Ramsey (25) | 31 | 1890 | L | |
| 67. | Red Ames (22) | 30 | 1905 | R |
| Bill Hart (20) | 30 | 1886 | R | |
| Jim McCormick (22) | 30 | 1879 | R | |
| Kid Nichols+ (20) | 30 | 1890 | R | |
| Harry Staley (22) | 30 | 1889 | R | |
| 72. | Bob Barr (33) | 29 | 1890 | R |
| Joe Blong (23) | 29 | 1877 | R | |
| Red Ehret (20) | 29 | 1889 | R | |
| Silver King (21) | 29 | 1889 | R | |
| Sam Moffett (27) | 29 | 1884 | R | |
| Tony Mullane (34) | 29 | 1893 | R | |
| Lee Richmond (23) | 29 | 1880 | L | |
| John Ward+ (19) | 29 | 1879 | R | |
| Jim Whitney (24) | 29 | 1882 | R | |
| Jim Whitney (28) | 29 | 1886 | R | |
| 82. | Charlie Buffinton (24) | 28 | 1885 | R |
| Jocko Flynn (22) | 28 | 1886 | R | |
| Pud Galvin+ (26) | 28 | 1883 | R | |
| Jack Lynch (28) | 28 | 1885 | R | |
| Ed Morris (23) | 28 | 1886 | L | |
| Tom Sullivan (28) | 28 | 1888 | ||
| 88. | Tony Cloninger (25) | 27 | 1966 | R |
| Pete Conway (19) | 27 | 1886 | R | |
| Larry Corcoran (21) | 27 | 1881 | R | |
| Larry Corcoran (24) | 27 | 1884 | R | |
| Chick Fraser (22) | 27 | 1896 | R | |
| Hank Gastright (24) | 27 | 1889 | R | |
| Bill Hutchison (30) | 27 | 1890 | R | |
| Darby O'Brien (22) | 27 | 1889 | R | |
| Adonis Terry (25) | 27 | 1890 | R | |
| Mickey Welch+ (23) | 27 | 1883 | R | |
| 98. | Larry Cheney (28) | 26 | 1914 | R |
| Dave Foutz (29) | 26 | 1886 | R | |
| Juan Guzman (26) | 26 | 1993 | R | |
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
| John Harkins (27) | 26 | 1886 | R | |
| Tim Keefe+ (26) | 26 | 1883 | R | |
| Bobby Mitchell (23) | 26 | 1879 | L | |
| Henry Porter (27) | 26 | 1885 | R | |
| Lee Richmond (25) | 26 | 1882 | L | |
| Amos Rusie+ (22) | 26 | 1893 | R | |
| John Ward+ (18) | 26 | 1878 | R | |
| Mickey Welch+ (20) | 26 | 1880 | R | |
| 109. | Charlie Buffinton (26) | 25 | 1887 | R |
| Dan Casey (23) | 25 | 1886 | L | |
| John Clarkson+ (25) | 25 | 1887 | R | |
| Art Hagan (20) | 25 | 1883 | R | |
| Bill Hutchison (31) | 25 | 1891 | R | |
| Ed Morris (22) | 25 | 1885 | L | |
| Jack Stivetts (23) | 25 | 1891 | R | |
| Adonis Terry (24) | 25 | 1889 | R | |
| Sam Weaver (22) | 25 | 1878 | R | |
| Gus Weyhing (24) | 25 | 1891 | R | |
| Will White (30) | 25 | 1885 | R | |
| 120. | Jersey Bakely (25) | 24 | 1889 | R |
| Mark Baldwin (27) | 24 | 1891 | R | |
| Tommy Bond (24) | 24 | 1880 | R | |
| Henry Boyle (24) | 24 | 1885 | R | |
| Charlie Buffinton (23) | 24 | 1884 | R | |
| Pud Galvin+ (23) | 24 | 1880 | R | |
| Mike Golden (26) | 24 | 1878 | R | |
| Phil Knell (26) | 24 | 1891 | L | |
| Jim McCormick (24) | 24 | 1881 | R | |
| Doc McJames (21) | 24 | 1896 | R | |
| Jack Morris (32) | 24 | 1987 | R | |
| Kid Nichols+ (22) | 24 | 1892 | R | |
| Lee Richmond (24) | 24 | 1881 | L | |
| Amos Rusie+ (21) | 24 | 1892 | R | |
| Lev Shreve (19) | 24 | 1888 | R | |
| 135. | Al Atkinson (25) | 23 | 1886 | R |
| Oyster Burns (20) | 23 | 1885 | R | |
| Matt Clement (25) | 23 | 2000 | R | |
| Fred Corey (27) | 23 | 1882 | R | |
| Hugh Daily (35) | 23 | 1883 | R | |
| Jack Easton (23) | 23 | 1890 | ||
| Pud Galvin+ (22) | 23 | 1879 | R | |
| Charlie Getzien (24) | 23 | 1888 | R | |
| John Healy (23) | 23 | 1890 | R | |
| Lon Knight (23) | 23 | 1876 | R | |
| Tim Leary (31) | 23 | 1990 | R | |
| Christy Mathewson+ (20) | 23 | 1901 | R | |
| Charley Radbourn+ (27) | 23 | 1882 | R | |
| Tom Vickery (23) | 23 | 1890 | R | |
| 149. | Kirtley Baker (21) | 22 | 1890 | R |
| Lady Baldwin (27) | 22 | 1886 | L | |
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
| Bob Barr (29) | 22 | 1886 | R | |
| Henry Boyle (27) | 22 | 1888 | R | |
| Kid Carsey (20) | 22 | 1891 | R | |
| Bob Caruthers (25) | 22 | 1889 | R | |
| Elton Chamberlain (23) | 22 | 1891 | R | |
| Tony Cloninger (24) | 22 | 1965 | R | |
| Ed Crane (24) | 22 | 1886 | R | |
| Dave Foutz (28) | 22 | 1885 | R | |
| Chick Fraser (23) | 22 | 1897 | R | |
| Bill George (22) | 22 | 1887 | L | |
| Jack Hamilton (23) | 22 | 1962 | R | |
| Silver King (23) | 22 | 1891 | R | |
| Phil Knell (25) | 22 | 1890 | L | |
| Jim McCormick (25) | 22 | 1882 | R | |
| Mike Moore (32) | 22 | 1992 | R | |
| Tricky Nichols (26) | 22 | 1877 | R | |
| Darby O'Brien (23) | 22 | 1890 | R | |
| Charley Radbourn+ (31) | 22 | 1886 | R | |
| Bobby Witt (22) | 22 | 1986 | R | |
| 170. | Joe Borden (22) | 21 | 1876 | R |
| Bob Caruthers (21) | 21 | 1885 | R | |
| John Clarkson+ (28) | 21 | 1890 | R | |
| Pete Conway (18) | 21 | 1885 | R | |
| Ed Crane (29) | 21 | 1891 | R | |
| Ed Doheny (25) | 21 | 1899 | L | |
| Mike Dorgan (30) | 21 | 1884 | R | |
| John Fox (22) | 21 | 1881 | ||
| Pud Galvin+ (28) | 21 | 1885 | R | |
| George Haddock (25) | 21 | 1892 | R | |
| Pink Hawley (21) | 21 | 1894 | R | |
| Ken Howell (28) | 21 | 1989 | R | |
| Walter Johnson+ (22) | 21 | 1910 | R | |
| Tim Keefe+ (31) | 21 | 1888 | R | |
| Brickyard Kennedy (26) | 21 | 1894 | R | |
| Silver King (24) | 21 | 1892 | R | |
| Tom Lovett (27) | 21 | 1891 | ||
| Jim McCormick (23) | 21 | 1880 | R | |
| Charlie McCullough (24) | 21 | 1890 | ||
| Doc McJames (22) | 21 | 1897 | R | |
| Sadie McMahon (22) | 21 | 1890 | R | |
| Jouett Meekin (27) | 21 | 1894 | R | |
| Mike Morrison (23) | 21 | 1890 | R | |
| Tony Mullane (30) | 21 | 1889 | R | |
| Joe Niekro (40) | 21 | 1985 | R | |
| The Only Nolan (20) | 21 | 1878 | R | |
| Nolan Ryan+ (30) | 21 | 1977 | R | |
| George Van Haltren (22) | 21 | 1888 | L | |
| Lee Viau (24) | 21 | 1891 | R | |
| Scott Williamson (24) | 21 | 2000 | R | |
| Earl Wilson (28) | 21 | 1963 | R | |
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
| Pete Wood (18) | 21 | 1885 | R | |
| 202. | Red Ames (24) | 20 | 1907 | R |
| Jose Contreras (33) | 20 | 2005 | R | |
| Bert Cunningham (23) | 20 | 1889 | R | |
| Bert Cunningham (25) | 20 | 1891 | R | |
| Jim Devlin (28) | 20 | 1877 | R | |
| Larry Dierker (21) | 20 | 1968 | R | |
| Jesse Duryea (29) | 20 | 1889 | R | |
| Freddy Garcia (30) | 20 | 2005 | R | |
| Hank Gastright (26) | 20 | 1891 | R | |
| Henry Gruber (27) | 20 | 1891 | R | |
| Billy Hart (24) | 20 | 1890 | ||
| Bill Hutchison (32) | 20 | 1892 | R | |
| Terry Larkin () | 20 | 1879 | R | |
| Dave Lemanczyk (26) | 20 | 1977 | R | |
| Denny Lemaster (25) | 20 | 1964 | L | |
| Bobby Mathews (33) | 20 | 1885 | R | |
| Bobby Mathews (34) | 20 | 1886 | R | |
| Henry Porter (28) | 20 | 1886 | R | |
| Charley Radbourn+ (32) | 20 | 1887 | R | |
| J.R. Richard (25) | 20 | 1975 | R | |
| John Smoltz (24) | 20 | 1991 | R | |
| Charlie Sprague (25) | 20 | 1890 | L | |
| Bill Vinton (19) | 20 | 1884 | R | |
| 225. | Jersey Bakely (26) | 19 | 1890 | R |
| Norm Baker (21) | 19 | 1885 | ||
| Larry Cheney (27) | 19 | 1913 | R | |
| Jim Conway (30) | 19 | 1889 | R | |
| Larry Corcoran (20) | 19 | 1880 | R | |
| Larry Corcoran (23) | 19 | 1883 | R | |
| Ed Correa (20) | 19 | 1986 | R | |
| Ed Cushman (34) | 19 | 1886 | L | |
| Ed Doheny (24) | 19 | 1898 | L | |
| Pud Galvin+ (25) | 19 | 1882 | R | |
| Charlie Getzien (22) | 19 | 1886 | R | |
| Jack Harper (23) | 19 | 1901 | R | |
| John Healy (21) | 19 | 1888 | R | |
| Jim Maloney (23) | 19 | 1963 | R | |
| Jim Maloney (25) | 19 | 1965 | R | |
| Joe Niekro (34) | 19 | 1979 | R | |
| Joe Niekro (37) | 19 | 1982 | R | |
| Phil Niekro+ (28) | 19 | 1967 | R | |
| Hideo Nomo (26) | 19 | 1995 | R | |
| Steve Renko (29) | 19 | 1974 | R | |
| J.R. Richard (29) | 19 | 1979 | R | |
| Nolan Ryan+ (42) | 19 | 1989 | R | |
| Cy Seymour (25) | 19 | 1898 | L | |
| Happy Townsend (25) | 19 | 1904 | R | |
| John Ward+ (20) | 19 | 1880 | R | |
| John Ward+ (23) | 19 | 1883 | R | |
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
| Gus Weyhing (23) | 19 | 1890 | R | |
| 252. | Mark Baldwin (24) | 18 | 1888 | R |
| Tommy Bond (21) | 18 | 1877 | R | |
| Larry Cheney (26) | 18 | 1912 | R | |
| Ed Crane (27) | 18 | 1889 | R | |
| Charlie Getzien (23) | 18 | 1887 | R | |
| Henry Gruber (25) | 18 | 1889 | R | |
| George Haddock (24) | 18 | 1891 | R | |
| Jack Hamilton (27) | 18 | 1966 | R | |
| Otto Hess (26) | 18 | 1905 | L | |
| Frank Killen (21) | 18 | 1892 | L | |
| Phil Knell (27) | 18 | 1892 | L | |
| John Lackey (26) | 18 | 2005 | R | |
| Terry Larkin () | 18 | 1877 | R | |
| Tom Lovett (21) | 18 | 1885 | ||
| Tom Lovett (26) | 18 | 1890 | ||
| Christy Mathewson+ (22) | 18 | 1903 | R | |
| Ernie McAnally (24) | 18 | 1971 | R | |
| Sam McDowell (24) | 18 | 1967 | L | |
| Larry McKeon (20) | 18 | 1886 | ||
| Jack Morris (28) | 18 | 1983 | R | |
| Bill Mountjoy (25) | 18 | 1884 | R | |
| Tony Mullane (32) | 18 | 1891 | R | |
| Joe Murphy (19) | 18 | 1886 | ||
| Jaime Navarro (31) | 18 | 1998 | R | |
| Phil Niekro+ (40) | 18 | 1979 | R | |
| Hank O'Day (27) | 18 | 1890 | R | |
| Orval Overall (24) | 18 | 1905 | R | |
| Dan Reichert (23) | 18 | 2000 | R | |
| Billy Rhines (22) | 18 | 1891 | R | |
| Rich Robertson (25) | 18 | 1970 | R | |
| Nolan Ryan+ (25) | 18 | 1972 | R | |
| Nolan Ryan+ (35) | 18 | 1982 | R | |
| Dupee Shaw (27) | 18 | 1886 | L | |
| Harry Staley (23) | 18 | 1890 | R | |
| Bob Veale (28) | 18 | 1964 | L | |
| Mickey Welch+ (29) | 18 | 1889 | R | |
| Jim Whitney (26) | 18 | 1884 | R | |
| 289. | Mark Baldwin (28) | 17 | 1892 | R |
| Ed Beatin (23) | 17 | 1890 | L | |
| Ed Begley (22) | 17 | 1885 | ||
| Frank Bertaina (24) | 17 | 1968 | L | |
| Charlie Buffinton (22) | 17 | 1883 | R | |
| A.J. Burnett (32) | 17 | 2009 | R | |
| Daniel Cabrera (25) | 17 | 2006 | R | |
| Steve Carlton+ (35) | 17 | 1980 | L | |
| Elton Chamberlain (21) | 17 | 1889 | R | |
| John Clarkson+ (24) | 17 | 1886 | R | |
| David Cone (28) | 17 | 1991 | R | |
| Jose Contreras (32) | 17 | 2004 | R | |
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
| Dick Conway (22) | 17 | 1887 | R | |
| Larry Corcoran (22) | 17 | 1882 | R | |
| Dan Daub (26) | 17 | 1894 | R | |
| Dory Dean (23) | 17 | 1876 | R | |
| Darren Dreifort (28) | 17 | 2000 | R | |
| Jack Easton (24) | 17 | 1891 | ||
| Chuck Finley (33) | 17 | 1996 | L | |
| Frank Foreman (28) | 17 | 1891 | L | |
| Chick Fraser (25) | 17 | 1899 | R | |
| Milt Gaston (33) | 17 | 1929 | R | |
| Kid Gleason (24) | 17 | 1891 | R | |
| Tom Gordon (25) | 17 | 1993 | R | |
| Pink Hawley (23) | 17 | 1896 | R | |
| Guy Hecker (30) | 17 | 1886 | R | |
| Felix Hernandez (23) | 17 | 2009 | R | |
| Jason Johnson (31) | 17 | 2005 | R | |
| Walter Johnson+ (23) | 17 | 1911 | R | |
| Tommy John (27) | 17 | 1970 | L | |
| George Keefe (23) | 17 | 1890 | L | |
| Tim Keefe+ (33) | 17 | 1890 | R | |
| Ted Kennedy (21) | 17 | 1886 | ||
| Sandy Koufax+ (22) | 17 | 1958 | L | |
| Tim Lincecum (24) | 17 | 2008 | R | |
| Pat Luby (21) | 17 | 1890 | R | |
| Bobby Mathews (27) | 17 | 1879 | R | |
| Sam McDowell (22) | 17 | 1965 | L | |
| Sam McDowell (27) | 17 | 1970 | L | |
| Sadie McMahon (25) | 17 | 1893 | R | |
| Fred Mitchell (25) | 17 | 1903 | R | |
| Mike Moore (29) | 17 | 1989 | R | |
| Bill Mountjoy (26) | 17 | 1885 | R | |
| Tom Murphy (25) | 17 | 1971 | R | |
| Phil Niekro+ (38) | 17 | 1977 | R | |
| Hank O'Day (25) | 17 | 1888 | R | |
| Blue Moon Odom (23) | 17 | 1968 | R | |
| Manny Parra (25) | 17 | 2008 | L | |
| Gaylord Perry+ (34) | 17 | 1973 | R | |
| Charley Radbourn+ (26) | 17 | 1881 | R | |
| Don Robinson (25) | 17 | 1982 | R | |
| Amos Rusie+ (20) | 17 | 1891 | R | |
| John Smoltz (25) | 17 | 1992 | R | |
| John Sowders (22) | 17 | 1889 | L | |
| Ed Stein (23) | 17 | 1893 | R | |
| Ed Stein (24) | 17 | 1894 | R | |
| Charlie Sweeney (20) | 17 | 1883 | R | |
| Bob Veale (29) | 17 | 1965 | L | |
| Justin Verlander (24) | 17 | 2007 | R | |
| Brandon Webb (25) | 17 | 2004 | R | |
| Mickey Welch+ (28) | 17 | 1888 | R | |
| 350. | Bo Belinsky (30) | 16 | 1967 | L |
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
| Bruce Berenyi (27) | 16 | 1982 | R | |
| Sumner Bowman (23) | 16 | 1890 | L | |
| Jesse Burkett+ (21) | 16 | 1890 | L | |
| Dan Casey (24) | 16 | 1887 | L | |
| Elton Chamberlain (24) | 16 | 1892 | R | |
| John Clarkson+ (27) | 16 | 1889 | R | |
| Jose Contreras (34) | 16 | 2006 | R | |
| Ed Daily (23) | 16 | 1886 | R | |
| Bruce Dal Canton (32) | 16 | 1974 | R | |
| Ron Darling (30) | 16 | 1991 | R | |
| Storm Davis (26) | 16 | 1988 | R | |
| George Derby (24) | 16 | 1882 | R | |
| Jean Dubuc (23) | 16 | 1912 | R | |
| Stu Flythe (24) | 16 | 1936 | R | |
| Pud Galvin+ (27) | 16 | 1884 | R | |
| Kid Gleason (26) | 16 | 1893 | R | |
| Jason Grimsley (32) | 16 | 2000 | R | |
| George Haddock (22) | 16 | 1889 | R | |
| Charlie Hough (38) | 16 | 1986 | R | |
| Tom Hughes (22) | 16 | 1901 | R | |
| Bill Hutchison (29) | 16 | 1889 | R | |
| Ubaldo Jimenez (24) | 16 | 2008 | R | |
| John Lackey (27) | 16 | 2006 | R | |
| Rick Langford (27) | 16 | 1979 | R | |
| Jim Maloney (24) | 16 | 1964 | R | |
| Jim Maloney (29) | 16 | 1969 | R | |
| Jack Manning (22) | 16 | 1876 | R | |
| Christy Mathewson+ (21) | 16 | 1902 | R | |
| Jim McCormick (30) | 16 | 1887 | R | |
| Mike McDermott (32) | 16 | 1895 | R | |
| Doc McJames (24) | 16 | 1899 | R | |
| George Meakim (24) | 16 | 1890 | R | |
| Andy Messersmith (23) | 16 | 1969 | R | |
| Cyclone Miller (24) | 16 | 1884 | L | |
| Jack Morris (35) | 16 | 1990 | R | |
| Tony Mullane (33) | 16 | 1892 | R | |
| Tom Murphy (23) | 16 | 1969 | R | |
| Kid Nichols+ (21) | 16 | 1891 | R | |
| Phil Niekro+ (29) | 16 | 1968 | R | |
| Hideo Nomo (31) | 16 | 2000 | R | |
| Darby O'Brien (24) | 16 | 1891 | R | |
| Fred Osborne () | 16 | 1890 | L | |
| Gary Peters (33) | 16 | 1970 | L | |
| J.R. Richard (28) | 16 | 1978 | R | |
| Jeff Robinson (28) | 16 | 1990 | R | |
| Nolan Ryan+ (34) | 16 | 1981 | R | |
| Jack Stivetts (21) | 16 | 1889 | R | |
| Mac Suzuki (26) | 16 | 2001 | R | |
| Jack Taylor (24) | 16 | 1897 | R | |
| Mickey Welch+ (27) | 16 | 1887 | R | |
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
| John Wetteland (22) | 16 | 1989 | R | |
| Mike Williams (26) | 16 | 1996 | R | |
| Don Wilson (24) | 16 | 1969 | R | |
| Bobby Witt (24) | 16 | 1988 | R | |
| Matt Young (31) | 16 | 1990 | L | |
| 406. | Steve Arlin (26) | 15 | 1972 | R |
| Miguel Batista (36) | 15 | 2007 | R | |
| Fred Beebe (27) | 15 | 1907 | R | |
| Fred Beebe (29) | 15 | 1909 | R | |
| Jim Bibby (28) | 15 | 1973 | R | |
| Vida Blue (23) | 15 | 1973 | L | |
| Charlie Buffinton (27) | 15 | 1888 | R | |
| Charlie Buffinton (28) | 15 | 1889 | R | |
| Bill Burdick (28) | 15 | 1888 | R | |
| Joe Bush (23) | 15 | 1916 | R | |
| Daniel Cabrera (27) | 15 | 2008 | R | |
| Will Calihan (21) | 15 | 1890 | ||
| Hector Carrasco (25) | 15 | 1995 | R | |
| Kid Carsey (23) | 15 | 1894 | R | |
| Elton Chamberlain (25) | 15 | 1893 | R | |
| Larry Cheney (30) | 15 | 1916 | R | |
| John Clarkson+ (31) | 15 | 1893 | R | |
| Matt Clement (26) | 15 | 2001 | R | |
| George Cobb (26) | 15 | 1892 | ||
| Joe Coleman (28) | 15 | 1975 | R | |
| Candy Cummings+ (28) | 15 | 1877 | R | |
| Frank Dwyer (21) | 15 | 1889 | R | |
| Dick Ellsworth (22) | 15 | 1962 | L | |
| Dick Ellsworth (25) | 15 | 1965 | L | |
| Bob Emslie (26) | 15 | 1885 | R | |
| Shawn Estes (26) | 15 | 1999 | L | |
| Charlie Ferguson (22) | 15 | 1885 | R | |
| Chuck Finley (36) | 15 | 1999 | L | |
| Al Fitzmorris (25) | 15 | 1971 | R | |
| Curry Foley (24) | 15 | 1880 | L | |
| Dave Goltz (27) | 15 | 1976 | R | |
| Tommy Greene (26) | 15 | 1993 | R | |
| Henry Gruber (24) | 15 | 1888 | R | |
| Mark Gubicza (23) | 15 | 1986 | R | |
| Bill Hart (31) | 15 | 1897 | R | |
| Guy Hecker (29) | 15 | 1885 | R | |
| Guy Hecker (33) | 15 | 1889 | R | |
| Dennis Higgins (29) | 15 | 1969 | R | |
| Sterling Hitchcock (28) | 15 | 1999 | L | |
| Tommy John (26) | 15 | 1969 | L | |
| Clay Kirby (26) | 15 | 1974 | R | |
| Ed Knouff (17) | 15 | 1885 | R | |
| Dave LaPoint (24) | 15 | 1984 | L | |
| Jack Lynch (26) | 15 | 1883 | R | |
| Al Mays (20) | 15 | 1885 | ||
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
| Sadie McMahon (21) | 15 | 1889 | R | |
| Jouett Meekin (24) | 15 | 1891 | R | |
| Jouett Meekin (30) | 15 | 1897 | R | |
| Frank Meinke (20) | 15 | 1884 | ||
| Jack Morris (30) | 15 | 1985 | R | |
| Jack Morris (36) | 15 | 1991 | R | |
| Kid Nichols+ (28) | 15 | 1898 | R | |
| Phil Niekro+ (30) | 15 | 1969 | R | |
| Phil Niekro+ (36) | 15 | 1975 | R | |
| Monte Pearson (25) | 15 | 1934 | R | |
| George Pechiney (24) | 15 | 1886 | R | |
| Gary Peters (27) | 15 | 1964 | L | |
| Frank Reberger (26) | 15 | 1970 | R | |
| Nolan Ryan+ (26) | 15 | 1973 | R | |
| Nolan Ryan+ (39) | 15 | 1986 | R | |
| Jack Sanford (31) | 15 | 1960 | R | |
| Johan Santana (23) | 15 | 2002 | L | |
| Jason Schmidt (25) | 15 | 1998 | R | |
| Mike Smithson (31) | 15 | 1986 | R | |
| Blake Stein (24) | 15 | 1998 | R | |
| Ed Stein (25) | 15 | 1895 | R | |
| Jack Stivetts (24) | 15 | 1892 | R | |
| Mike Sullivan (27) | 15 | 1894 | R | |
| John Tener (26) | 15 | 1890 | R | |
| John Tsitouris (29) | 15 | 1965 | R | |
| Lee Viau (22) | 15 | 1889 | R | |
| Mickey Welch+ (22) | 15 | 1882 | R | |
| Stump Wiedman (24) | 15 | 1885 | R | |
| Don Wilson (25) | 15 | 1970 | R | |
| Victor Zambrano (27) | 15 | 2003 | R | |
| 481. | Kevin Appier (29) | 14 | 1997 | R |
| Tony Armas (24) | 14 | 2002 | R | |
| James Baldwin (25) | 14 | 1997 | R | |
| Steve Barber (29) | 14 | 1967 | L | |
| Len Barker (24) | 14 | 1980 | R | |
| Miguel Batista (35) | 14 | 2006 | R | |
| Andy Benes (25) | 14 | 1993 | R | |
| Chad Billingsley (24) | 14 | 2009 | R | |
| Chris Bosio (24) | 14 | 1987 | R | |
| George Bradley (29) | 14 | 1882 | R | |
| Pete Broberg (22) | 14 | 1972 | R | |
| A.J. Burnett (25) | 14 | 2002 | R | |
| Greg Cadaret (28) | 14 | 1990 | L | |
| Tom Candiotti (40) | 14 | 1998 | R | |
| Steve Carlton+ (25) | 14 | 1970 | L | |
| Hector Carrasco (30) | 14 | 2000 | R | |
| Elton Chamberlain (22) | 14 | 1890 | R | |
| Eddie Cicotte (24) | 14 | 1908 | R | |
| John Clarkson+ (23) | 14 | 1885 | R | |
| John Clarkson+ (29) | 14 | 1891 | R | |
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
| Matt Clement (29) | 14 | 2004 | R | |
| Roger Clemens (38) | 14 | 2001 | R | |
| Roger Clemens (39) | 14 | 2002 | R | |
| Tony Cloninger (28) | 14 | 1969 | R | |
| Joe Coleman (23) | 14 | 1970 | R | |
| David Cone (26) | 14 | 1989 | R | |
| David Cone (30) | 14 | 1993 | R | |
| David Cone (34) | 14 | 1997 | R | |
| Ed Daily (27) | 14 | 1890 | R | |
| George Derby (23) | 14 | 1881 | R | |
| Jim Devlin (27) | 14 | 1876 | R | |
| Al Downing (23) | 14 | 1964 | L | |
| Jesse Duryea (30) | 14 | 1890 | R | |
| Cy Falkenberg (25) | 14 | 1906 | R | |
| Bob Feller+ (20) | 14 | 1939 | R | |
| Charlie Getzien (25) | 14 | 1889 | R | |
| Frank Gilmore (23) | 14 | 1887 | ||
| Dave Giusti (26) | 14 | 1966 | R | |
| Kid Gleason (22) | 14 | 1889 | R | |
| Jason Grimsley (23) | 14 | 1991 | R | |
| Mark Gubicza (24) | 14 | 1987 | R | |
| Juan Guzman (25) | 14 | 1992 | R | |
| Jack Hamilton (28) | 14 | 1967 | R | |
| Joey Hamilton (25) | 14 | 1996 | R | |
| Erik Hanson (26) | 14 | 1991 | R | |
| John Healy (18) | 14 | 1885 | R | |
| Bill Hogg (23) | 14 | 1905 | R | |
| Joe Horlen (28) | 14 | 1966 | R | |
| Bill Hutchison (35) | 14 | 1895 | R | |
| Jason Isringhausen (23) | 14 | 1996 | R | |
| Walter Johnson+ (26) | 14 | 1914 | R | |
| Frank Knauss (22) | 14 | 1890 | L | |
| Phil Knell (29) | 14 | 1894 | L | |
| Gene Krapp (24) | 14 | 1911 | R | |
| Gus Krock (22) | 14 | 1888 | L | |
| Al Leiter (29) | 14 | 1995 | L | |
| Dennis Leonard (26) | 14 | 1977 | R | |
| Richie Lewis (30) | 14 | 1996 | R | |
| Mickey Lolich (28) | 14 | 1969 | L | |
| Mickey Lolich (29) | 14 | 1970 | L | |
| Joe Magrane (24) | 14 | 1989 | L | |
| Sam McDowell (26) | 14 | 1969 | L | |
| Mike Moore (31) | 14 | 1991 | R | |
| Cy Morgan (31) | 14 | 1910 | R | |
| Jack Morris (29) | 14 | 1984 | R | |
| Jack Morris (38) | 14 | 1993 | R | |
| Jaime Navarro (30) | 14 | 1997 | R | |
| Kid Nichols+ (24) | 14 | 1894 | R | |
| Joe Niekro (38) | 14 | 1983 | R | |
| Phil Niekro+ (37) | 14 | 1976 | R | |
| Rank | Player (age that year) | Wild Pitches | Year | Throws |
| Mike Norris (26) | 14 | 1981 | R | |
| Blue Moon Odom (25) | 14 | 1970 | R | |
| Lowell Palmer (22) | 14 | 1970 | R | |
| Milt Pappas (20) | 14 | 1959 | R | |
| Roy Parmelee (26) | 14 | 1933 | R | |
| Togie Pittinger (31) | 14 | 1903 | R | |
| Pat Rapp (30) | 14 | 1998 | R | |
| Billy Rhines (21) | 14 | 1890 | R | |
| Bob Rhoads (27) | 14 | 1907 | R | |
| Jimmy Ring (26) | 14 | 1921 | R | |
| Jimmy Ring (28) | 14 | 1923 | R | |
| Jimmy Ring (30) | 14 | 1925 | R | |
| Jeff Robinson (28) | 14 | 1989 | R | |
| Steve Rogers (27) | 14 | 1977 | R | |
| Jorge de la Rosa (27) | 14 | 2008 | L | |
| Nolan Ryan+ (38) | 14 | 1985 | R | |
| Ben Sanders (23) | 14 | 1888 | R | |
| Herb Score (26) | 14 | 1959 | L | |
| Cy Seymour (26) | 14 | 1899 | L | |
| Gus Shallix (27) | 14 | 1885 | R | |
| Chris Short (23) | 14 | 1961 | L | |
| Jim Slaton (24) | 14 | 1974 | R | |
| John Smoltz (23) | 14 | 1990 | R | |
| Bill Sowders (23) | 14 | 1888 | R | |
| Ed Stein (22) | 14 | 1892 | R | |
| Dave Stewart (31) | 14 | 1988 | R | |
| Charlie Sweeney (22) | 14 | 1885 | R | |
| Adonis Terry (29) | 14 | 1894 | R | |
| Cannonball Titcomb (23) | 14 | 1890 | L | |
| Mike Torrez (26) | 14 | 1973 | R | |
| Ed Trumbull (23) | 14 | 1884 | ||
| Fernando Valenzuela (26) | 14 | 1987 | L | |
| Ed Walsh+ (26) | 14 | 1907 | R | |
| Brandon Webb (26) | 14 | 2005 | R | |
| Kip Wells (24) | 14 | 2001 | R | |
| Will White (27) | 14 | 1882 | R | |
| Jim Whitney (29) | 14 | 1887 | R | |
| Rich Wortham (25) | 14 | 1979 | L | |
| Weldon Wyckoff (22) | 14 | 1914 | R | |
| Weldon Wyckoff (23) | 14 | 1915 | R | |
| Cy Young+ (26) | 14 | 1893 | R | |
| Cy Young+ (30) | 14 | 1897 | R |
Note that seasons prior to 1876 are not included in single-season marks, but are included in career marks.
