Yearly League Leaders & Records for Range Factor/9Inn as C

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Table
Year National League RF/9 American League RF/9 Other RF/9 Other RF/9
2026J.T. Realmuto (PHI)10.71 Austin Hedges (CLE)10.02
2025J.T. Realmuto (PHI)9.79 Yainer Diaz (HOU)10.02
2024Sean Murphy (ATL)11.15 Christian Vázquez (MIN)10.03
2023Gary Sánchez (2TM)10.48 Christian Vázquez (MIN)10.49
2022Tomás Nido (NYM)10.41 Martín Maldonado (HOU)10.19
2021Omar Narváez (MIL)10.73 Zack Collins (CHW)11.38
2020Tucker Barnhart (CIN)11.76 Sandy León (CLE)10.98
2019Curt Casali (CIN)10.76 Sandy León (BOS)10.94
2018Austin Barnes (LAD)10.21 Brian McCann (HOU)11.01
2017Yasmani Grandal (LAD)10.29 Roberto Pérez (CLE)10.80
2016Yasmani Grandal (LAD)10.16 Roberto Pérez (CLE)10.06
2015A.J. Ellis (LAD)10.32 Roberto Pérez (CLE)10.20
2014A.J. Ellis (LAD)9.36 José Molina (TBR)9.87
2013Ryan Hanigan (CIN)8.72 Brayan Peña (DET)9.61
2012Carlos Ruiz (PHI)9.76 José Lobatón (TBR)9.17
2011Chris Stewart (SFG)9.35 Jason Varitek (BOS)8.57
2010Jonathan Lucroy (MIL)9.04 Víctor Martínez (BOS)8.18
2009Koyie Hill (CHC)8.88 Jason Varitek (BOS)8.70
2008Bengie Molina (SFG)8.44 José Molina (NYY)8.38
2007Russell Martin (LAD)8.25 José Molina (2TM)8.52
2006Henry Blanco (CHC)8.57 José Molina (LAA)8.23
2005Chad Moeller (MIL)8.40 José Molina (LAA)8.41
2004Raúl Chávez (HOU)9.01 José Molina (ANA)8.20
2003Damian Miller (CHC)9.81 Jorge Posada (NYY)7.79
2002Todd Hundley (CHC)9.86 Jason Varitek (BOS)8.17
2001Damian Miller (ARI)9.63 Einar Díaz (CLE)8.49
2000Kelly Stinnett (ARI)8.54 Einar Díaz (CLE)9.02
1999Damian Miller (ARI)8.59 Jason Varitek (BOS)8.10
1998Javy López (ATL)8.62 Darrin Fletcher (TOR)8.18
1997Mike Lieberthal (PHI)8.56 Charlie O'Brien (TOR)8.87
1996Javy López (ATL)8.68 Bill Haselman (BOS)8.57
1995Charlie O'Brien (ATL)8.28 Dan Wilson (SEA)8.38
1994Tim Spehr (MON)9.75 Pat Borders (TOR)8.12
1993Darren Daulton (PHI)7.38 Dave Valle (SEA)7.57
1992Todd Hundley (NYM)7.54 Iván Rodríguez+ (TEX)7.77
1991Charlie O'Brien (NYM)7.99 Iván Rodríguez+ (TEX)7.62
1990Mackey Sasser (NYM)8.35 Scott Bradley (SEA)7.47
1989Barry Lyons (NYM)7.96 Chad Kreuter (TEX)8.17
1988Gary Carter+ (NYM)7.67 Rich Gedman (BOS)7.45
1987Alan Ashby (HOU)8.20 Geno Petralli (TEX)8.27
1986Alan Ashby (HOU)8.06 Bob Kearney (SEA)7.63
1985Gary Carter+ (NYM)7.36 Carlton Fisk+ (CHW)7.25
1984Mike Fitzgerald (NYM)7.67 Bob Kearney (SEA)7.16
1983Bo Díaz (PHI)8.06 Rick Sweet (SEA)6.69
1982Alex Treviño (CIN)7.57 Rick Sweet (SEA)6.81
1981Keith Moreland (PHI)6.81 Ron Hassey (CLE)6.89
1980Tim Blackwell (CHC)6.97 Bo Díaz (CLE)6.64
1979Dennis Littlejohn (SFG)6.87 Ron Hassey (CLE)6.47
1978Johnny Bench+ (CIN)7.03 Brian Downing (CAL)6.41
1977John Stearns (NYM)7.04 Terry Humphrey (CAL)7.11
1976Jerry Grote (NYM)7.62 Terry Humphrey (CAL)7.23
1975Jerry Grote (NYM)7.25 Ellie Rodríguez (CAL)7.12
1974Steve Yeager (LAD)6.79 Ellie Rodríguez (CAL)6.94
1973Jerry Grote (NYM)7.62 Jeff Torborg (CAL)7.55
1972Duffy Dyer (NYM)8.30 Jeff Torborg (CAL)8.19
1971Jerry Grote (NYM)8.05 Tom Egan (CHW)7.22
1970Jerry Grote (NYM)7.62 Ray Fosse (CLE)7.81
1969Johnny Edwards (HOU)8.80 Bill Freehan (DET)7.64
1968John Bateman (HOU)7.55 Joe Azcue (CLE)8.45
1967Johnny Edwards (CIN)8.40 Joe Azcue (CLE)8.51
1966Johnny Edwards (CIN)8.02 Earl Battey (MIN)7.47
1965Clay Dalrymple (PHI)8.40 Joe Azcue (CLE)8.17
1964Johnny Edwards (CIN)8.49 John Romano (CLE)8.04
1963Johnny Edwards (CIN)7.94 Joe Azcue (2TM)7.41
1962John Roseboro (LAD)7.83 Earl Battey (MIN)6.92
1961John Roseboro (LAD)8.29 Earl Averill (LAA)7.37
1960John Roseboro (LAD)8.61 Red Wilson (2TM)6.55
1959John Roseboro (LAD)7.95 Red Wilson (DET)6.92
1958John Roseboro (LAD)6.73 Red Wilson (DET)6.76
1957Roy Campanella+ (BRO)7.25 Yogi Berra+ (NYY)6.68
1956Wes Westrum (NYG)7.08 Jim Hegan (CLE)7.04
1955Wes Westrum (NYG)6.29 Jim Hegan (CLE)6.73
1954Roy Campanella+ (BRO)6.09 Sammy White (BOS)6.12
1953Roy Campanella+ (BRO)6.60 Red Wilson (CHW)6.21
1952Roy Campanella+ (BRO)6.10 Sherm Lollar (CHW)6.19
1951Roy Campanella+ (BRO)5.98 Yogi Berra+ (NYY)5.71
1950Roy Campanella+ (BRO)6.23 Jim Hegan (CLE)6.11
1949Roy Campanella+ (BRO)6.07 Yogi Berra+ (NYY)6.10
1948Roy Campanella+ (BRO)5.99 Gus Niarhos (NYY)5.80 NN2: Stanley Glenn (PS)7.69NAL: Earl Taborn (KCM)7.99
1947Ray Lamanno (CIN)6.00 Aaron Robinson (NYY)5.81 NN2: Bill Cash (PS)7.74NAL: Red Longley (MRS)7.92
1946Bruce Edwards (BRO)5.65 Birdie Tebbetts (DET)6.88 NN2: Leon Ruffin (NE)7.71NAL: Casey Jones (MRS)8.92
1945Ernie Lombardi+ (NYG)5.27 Paul Richards (DET)5.85 NN2: Bill Cash (PS)7.71NAL: Frank Duncan (KCM)9.49
1944Ken O'Dea (STL)5.36 Paul Richards (DET)5.70 NN2: Bill Cash (PS)6.89NAL: Frank Duncan (KCM)10.13
1943Gus Mancuso (NYG)5.48 Paul Richards (DET)6.64 NN2: Leon Ruffin (NE)7.25NAL: Herb Barnhill (KCM)7.81
1942Mickey Owen (BRO)5.37 Dixie Parsons (DET)5.93 NN2: Leon Ruffin (NE)7.48NAL: Joe Greene (KCM)7.62
1941Gus Mancuso (STL)5.79 Billy Sullivan (DET)6.23 NN2: Biz Mackey+ (NE)8.11NAL: Raymond Taylor (SNS)9.92
1940Harry Danning (NYG)5.70 Birdie Tebbetts (DET)6.45 NN2: Biz Mackey+ (2TM)7.29NAL: Lionel Decuir (KCM)9.60
1939Don Padgett (STL)5.59 Birdie Tebbetts (DET)5.73 NN2: Bill Casey (NYC)7.52NAL: Lionel Decuir (KCM)8.33
1938Ken O'Dea (CHC)5.33 Rollie Hemsley (CLE)7.24 NN2: Leon Ruffin (PC)6.67NAL: Harry Else (KCM)10.70
1937Virgil Davis (CIN)6.58 Gene Desautels (BOS)6.09 NN2: Biz Mackey+ (WEG)7.34NAL: Ted Radcliffe (CT)8.53
1936Ray Berres (BRO)6.63 Bill Dickey+ (NYY)5.59 NN2: Frank Duncan (NYC)8.20
1935Tom Padden (PIT)5.52 Bill Dickey+ (NYY)5.34 NN2: Frank Duncan (NYC)8.42
1934Bill DeLancey (STL)6.01 Bill Dickey+ (NYY)5.68 NN2: Tommie Dukes (NEG)7.85
1933Jimmie Wilson (STL)5.61 Bill Dickey+ (NYY)6.47 NN2: Bill Perkins (PC)8.63
1932Gus Mancuso (STL)6.48 Bill Dickey+ (NYY)6.68 EWL: Tom Young (2TM)7.14NSL: Harry Else (MRM)6.66
1931Jimmie Wilson (STL)5.67 Bill Dickey+ (NYY)6.30 NNL: Clarence Palm (DS)6.92
1930Jimmie Wilson (STL)5.58 Mickey Cochrane+ (PHA)6.08 NNL: Tom Young (KCM)7.20
1929Hank DeBerry (BRO)5.66 Mickey Cochrane+ (PHA)5.77 ANL: Buck Ewing (HG)6.24NNL: Frank Duncan (KCM)6.70
1928Hank DeBerry (BRO)6.24 Mickey Cochrane+ (PHA)5.75 NNL: Bill Perkins (BBB)6.51ECL: John Cason (AC)6.68
1927Hank DeBerry (BRO)6.55 Mickey Cochrane+ (PHA)5.64 NNL: Pythias Russ (CAG)7.05ECL: Bob Clarke (BBS)6.02
1926Mike González (CHC)5.10 Mickey Cochrane+ (PHA)5.69 NNL: Pythias Russ (CAG)7.19ECL: Ernest Gatewood (AC)7.56
1925Gabby Hartnett+ (CHC)4.99 Cy Perkins (PHA)6.31 NNL: Larry Brown (MRS)6.63ECL: Willie Jones (AC)6.29
1924Hank DeBerry (BRO)7.64 Muddy Ruel (WSH)5.19 NNL: Larry Brown (MRS)7.93ECL: José María Fernández (CSE)6.75
1923Zack Taylor (BRO)5.83 Muddy Ruel (WSH)5.49 NNL: Frank Duncan (KCM)6.91ECL: Charlie Spearman (BRG)6.34
1922Eddie Ainsmith (STL)5.26 Ray Schalk+ (CHW)5.43 NNL: Jim Brown (CAG)7.37
1921Otto Miller (BRO)5.33 Johnny Bassler (DET)5.11 NNL: George Dixon (CAG)7.79
1920Bill Killefer (CHC)6.94 Roxy Walters (BOS)5.49 NNL: George Dixon (CAG)7.60
1919Ernie Krueger (BRO)6.34 Val Picinich (WSH)6.82
1918Bill Killefer (CHC)6.07 Eddie Ainsmith (WSH)6.19
1917Art Wilson (CHC)7.17 Eddie Ainsmith (WSH)6.88
1916Jack Meyers (BRO)6.83 Roxy Walters (NYY)7.38
1915Bill Killefer (PHI)7.19 John Henry (WSH)7.00 FL: Nick Allen (BUF)7.09
1914Bill Killefer (PHI)7.49 John Henry (WSH)7.77 FL: Mike Simon (SLM)7.61
1913Bill Killefer (PHI)7.10 Eddie Ainsmith (WSH)7.89
1912Bill Killefer (PHI)7.05 Eddie Ainsmith (WSH)9.07
1911Red Dooin (PHI)7.63 Gus Fisher (CLE)7.48
1910Jack Meyers (NYG)7.50 Jack Lapp (PHA)8.03
1909Jack Meyers (NYG)7.55 Ira Thomas (PHA)7.68
1908Bill Bergen (BRO)6.73 Ossee Schrecongost (2TM)7.75
1907Pete Noonan (STL)6.82 Ossee Schrecongost (PHA)8.33
1906Frank Bowerman (NYG)6.95 Ossee Schrecongost (PHA)7.94
1905Roger Bresnahan+ (NYG)7.37 Ossee Schrecongost (PHA)8.35
1904Frank Bowerman (NYG)7.20 Ossee Schrecongost (PHA)8.30
1903Frank Bowerman (NYG)7.49 Ossee Schrecongost (PHA)8.61
1902Red Dooin (PHI)7.10 Ossee Schrecongost (PHA)7.10
1901Mike Kahoe (2TM)7.01 Lou Criger (BOS)6.17
1900Heinie Peitz (CIN)5.69
1899Jack Warner (NYG)5.77
1898Jack Warner (NYG)6.60
1897Jack Warner (NYG)6.18
1896Jack Warner (2TM)5.53
1895Charlie Ganzel (BSN)5.77
1894Duke Farrell (NYG)5.89
1893Duke Farrell (WHS)5.78
1892Jack Boyle (NYG)7.59
1891Dick Buckley (NYG)7.74 AA: Morgan Murphy (BOS)6.87
1890Dick Buckley (NYG)7.76 AA: John Munyan (STL)7.81PL: Duke Farrell (CHI)6.29
1889Buck Ewing+ (NYG)7.26 AA: John Milligan (STL)7.22
1888Tom Daly (CHC)8.36 AA: Wilbert Robinson+ (PHA)8.51
1887Tom Daly (CHC)8.31 AA: Pop Snyder (CLE)7.29
1886Silver Flint (CHC)8.54 AA: Jack Kerins (LOU)9.21
1885Charlie Bennett (DTN)7.48 AA: John Milligan (PHA)8.07
1884Mert Hackett (BSN)8.97 AA: Sam Trott (BAL)9.49UA: Bill Krieg (CPI)10.78
1883Mike Hines (BSN)8.58 AA: Bill Holbert (NYP)9.58
1882Pat Deasley (BSN)8.24 AA: Dan Sullivan (LOU)7.14
1881Charlie Bennett (DTN)7.30
1880Doc Bushong (WOR)8.29
1879Doc Kennedy (CLV)7.49
1878Deacon White+ (CIN)7.51
1877Lew Brown (BSN)7.86
1876Doug Allison (HAR)6.44
1875 NA: Doug Allison (HAR)6.84
1874 NA: Dick Higham (NYU)7.58
1873 NA: Dick Higham (NYU)7.33
1872 NA: Dick Higham (BAL)7.46
1871 NA: Deacon White+ (CLE)5.97