A two-time all star, Koosman won 222 games during 19 years in the majors. He broke in with the New York Mets in 1967 and won 19 games in 1968, finishing second in the Rookie of the Year vote. He went 17-9 for the Miracle Mets in 1969 and beat the Baltimore Orioles two times in the World Series. Koosman was 21-10 for the Mets in 1976. He finished second in the Cy Young vote that year and 14th in the MVP. His fortunes dramatically reversed themselves the following season as he led the league in losses (20) despite a solid 3.49 ERA. Koosman pitched one more year for the Mets before being traded to the Minnesota Twins in 1979. He had another 20-win season that year, going 20-13 with a 3.38 ERA for Minnesota. He finished sixth in the American League Cy Young. Koosman won 16 games in 1980 for Minnesota but led the AL in losses (13) in the abbreviated 1981 season. He was also traded to the Chicago White Sox where he turned in two solid seasons, winning 11 games in both 1982 and 1983 at the ages of 39 and 40. Koosman joined the Philadelphia Phillies in 1984 and won 14 games at the age of 41. He made 18 starts for the Phillies in 1985 which would be the final year of his long career.
Koosman beat the Orioles in Game 2 and the deciding Game 5 of the 1969 World Series. He and the Mets got back to the World Series in 1973 where they faced the Oakland A’s. Koosman won Game 5 of that series as well. He also started Game 2, which the Mets eventually won in 10 innings, but did not fare well, lasting just 2.1 innings and allowing three runs. Oakland, however, eventually prevailed in seven games.
Jerry Koosman – career stats