Birkbeck was 10-8 with a 4.72 ERA in 1988, but in 1989 he started the year 0-4 and went on the DL with a weakened rotator cuff.
Birkbeck was 10-8 with a 4.72 ERA in 1988, but in 1989 he started the year 0-4 and went on the DL with a weakened rotator cuff.
