MLB pitchers with 18 strikeouts in an extra-inning game Pitcher Date Team Opposing team Score Strikeouts IP Career Ks Refs Cheney, Tom Tom Cheney 000000001962 - 09 - 12 - 0000 September 12, 1962 Washington Senators Baltimore Orioles 2 -- 1 21 16 345 Johnson, Randy Randy Johnson 000000002001 - 05 - 08 - 0000 May 8, 2001 Arizona Diamondbacks Cincinnati Reds 4 -- 3 20 9 4,875 Tiant, Luis Luis Tiant 000000001968 - 07 - 03 - 0000 July 3, 1968 Cleveland Indians Minnesota Twins 1 -- 0 19 10 2,416 Ryan, Nolan Nolan Ryan 000000001974 - 06 - 14 - 0000 June 14, 1974 California Angels Boston Red Sox 4 -- 3 19 13 5,714 Ryan, Nolan Nolan Ryan 000000001974 - 08 - 20 - 0000 August 20, 1974 California Angels Detroit Tigers 0 -- 1 19 11 5,714 Ryan, Nolan Nolan Ryan 000000001977 - 06 - 08 - 0000 June 8, 1977 California Angels Toronto Blue Jays 2 -- 1 19 10 5,714 Spahn, Warren Warren Spahn 000000001952 - 06 - 14 - 0000 June 14, 1952 Boston Braves Chicago Cubs 1 -- 3 18 15 2,583 Short, Chris Chris Short 000000001965 - 10 - 02 - 0000 October 2, 1965 Philadelphia Phillies New York Mets 0 -- 0 18 15 1,629 Maloney, Jim Jim Maloney 000000001965 - 06 - 14 - 0000 June 14, 1965 Cincinnati Reds New York Mets 0 -- 1 18 11 1,605
who has the record for most strikeouts in a game
Tom Cheney