Drafted #19 by the Yankees in the June 1981, Bob Tewksbury made the Yankees roster at age 25 after going 4-1 with a stingy 0.93 ERA in spring training of 1986. As a rookie in 1987 he started 20 games and posted a solid 9-5, with a 3.31 ERA in 130.2 innings despite missing almost 6 weeks due to a shoulder injury. And for the next three seasons Bob Tewksbury spent time bouncing back-and-forth first in the minors, then traded to the Cubs, then to the minors until settling in with the Cardinals in September of 1988.
Bob Tewksbury made the Cardinals starting rotation and became a winning pitcher. In 1992 he went 16-5, with the second best ERA in the majors, a 2.16 ERA, completed 5 of 32 starts, then 17-10 with a 3.83 ERA in 1993. After the 1994 season he pitched with 3 different teams. baseballhistorian.com