In MLB, Warren Spahn of the 1963 Milwaukee Braves with 23 wins at the age of 42.
dave stewart
In 1968, Detroit's Denny McLain recorded 31 wins; the most by any player since 1950. McLain was the last pitcher to reach 30 wins in a season.
Through the 2008 season, that is Mordecai 'Three Finger' Brown who won 29 games in the 1908 season.
Greg Maddux - 35 wins (19 with Braves) Source - Fox Saturday Baseball trivia question, 7/18/09, Mets v. Braves
In MLB, Warren Spahn of the 1963 Milwaukee Braves with 23 wins at the age of 42.
106 in the 1998 season.
dave stewart
In 1968, Detroit's Denny McLain recorded 31 wins; the most by any player since 1950. McLain was the last pitcher to reach 30 wins in a season.
Joe Wood with 34 wins in 1912.
Through the 2008 season, that is Hall of Famer Tom Seaver who had 25 wins in 1969.
The Pirates franchise record for most wins by a pitcher in a season is held by Frank Killen who won 34 games in 1893.
dizzy dean
Sandy Koufax (27 wins)
Through the 2008 season, Red Ruffing, Allie Reynolds, and Bob Gibson are tied for second most World Series wins by a pitcher with 7.
Ferguson Jenkins with 25 in 1974.
Jack Chesbro with 41 for the 1904 team.