Photo source: Wikimedia Commons, United Press International
This post is a list a baseball pitchers who have had at least 18 strikeouts in a game in the MLB as of May 8th, 2020. There are 35 games listed below. The photo above is Nolan Ryan in 1972. Data source: Wikipedia
Within 9 innings
20 strikeouts (4)
Roger Clemens (1986)
Roger Clemens (1996)
Kerry Wood (1998)
Max Scherzer (2016)
19 strikeouts (8)
Charlie Sweeney (1884)
Hugh Daily (1884)
Steve Carlton (1969)
Tom Seaver (1970)
Nolan Ryan (1974)
David Cone (1991)
Randy Johnson (1997)
Randy Johnson (1997)
18 strikeouts (14)
Dupee Shaw (1884)
Henry Porter (1884)
Bob Feller (1938)
Sandy Koufax (1959)
Sand Koufax (1962)
Don Wilson (1968)
Nolan Ryan (1976)
Ron Guidry (1978)
Bill Gullickson (1980)
Ramon Martinez (1990)
Randy Johnson (1992)
Roger Clemens (1998)
Ben Sheets (2004)
Corey Kluber (2015)
Including extra innings
21 strikeouts (1)
Tom Cheney (1962)
20 strikeouts (1)
Randy Johnson (2001)
19 strikeouts (4)
Luis Tiant (1968)
Nolan Ryan (1974)
Nolan Ryan (1974)
Nolan Ryan (1977)
18 strikeouts (3)
Warren Spahn (1952)
Chris Short (1965)
Jim Maloney (1965)
