The Twins Almanac ⚾️ on X: Minnesota native Jerry Koosman had the best season for a pitcher over 30 in #MNTwins history in 1979, when, at age 36, he won 20 games

Park] Joe Ryan has improved to 5-0 with the victory tonight. He joins Jerry Koosman of the 1979 Twins as the only pitchers in club history to win each of his first

The Twins Almanac ⚾️ on X: Minnesota native Jerry Koosman had the best season for a pitcher over 30 in #MNTwins history in 1979, when, at age 36, he won 20 games

Twins pitchers with 15 or more K's in a game

Twins career ERA leaders

Jerry Koosman Baseball Stats by Baseball Almanac

The Twins Almanac ⚾️ on X: Minnesota native Jerry Koosman pitched six no-hit innings before finally yielding a hit and a run in Game 2 of the World Series on this date

Park] Joe Ryan has improved to 5-0 with the victory tonight. He joins Jerry Koosman of the 1979 Twins as the only pitchers in club history to win each of his first

The Twins Almanac for April

Jerry Koosman interview

The Twins Almanac for April

20 Game Winners