MLB all-time leaders in home runs by pitchers

This is a list of the all-time leaders in home runs hit by Major League Baseball pitchers, with the pitcher being defined as a player who pitches in at least three games in the given year, and being in a game as their team's current pitcher when hitting the home run.

No	Name	HR
1	Wes Ferrell	38
2	Bob Lemon	37
3	Warren Spahn	35
4	Red Ruffing	34
5	Earl Wilson	33
6	Don Drysdale	29
7	John Clarkson	24
	Bob Gibson	24
	Carlos Zambrano	24
10	Walter Johnson	23
11	Jack Stivetts	21
12	Milt Pappas	20
	Dizzy Trout	20
14	Jack Harshman	19
15	Cy Young	18
	Madison Bumgarner	18
17	Mike Hampton	16
	Jim Kaat	16
	Schoolboy Rowe	16
	Jim Tobin	16
21	Rick Wise	15
22	Freddie Fitzsimmons	14
	Babe Ruth	14

Below is a list of the most home runs by a Major League Baseball pitcher in a single season, and while in a game as a pitcher.

Name	HR	Year	Team
Wes Ferrell	9	1931	Cleveland Indians
Don Drysdale (1, 2)	7	1958/1965	Los Angeles Dodgers
Wes Ferrell (2, 3)	7	1933/1935	Cleveland Indians/Boston Red Sox
Don Newcombe	7	1955	Los Angeles Dodgers
Earl Wilson	7	1968	Detroit Tigers
Mike Hampton	7	2001	Colorado Rockies
Jack Harshman (1, 2)	6	1956/1958	Chicago White Sox/Baltimore Orioles
Ferguson Jenkins	6	1971	Chicago Cubs
Sonny Siebert	6	1971	Boston Red Sox
Earl Wilson (2, 3)	6	1965/1966	Boston Red Sox
Rick Wise	6	1971	Philadelphia Phillies
Carlos Zambrano	6	2006	Chicago Cubs
Don Cardwell	5	1960	Philadelphia Phillies
Tony Cloninger	5	1966	Atlanta Braves
Don Drysdale (3)	5	1961	Los Angeles Dodgers
Bob Gibson (1, 2)	5	1965/1972	St. Louis Cardinals
Bob Lemon	5	1956	Cleveland Indians
Art Nehf	5	1924	New York Giants
Blue Moon Odom	5	1969	Oakland Athletics
Earl Wilson (4)	5	1964	Boston Red Sox

Sources

• Elias Sports Bureau
• Great Hitting Pitchers, by L. Robert "Bob" Davids, 1979