How many wins did Grant Jackson have in 1979?
81979 Regular Season
Grant Jackson recorded 8 wins in the 1979 regular season, 107th in the MLB.
- 2nd-best of Grant Jackson's 18 seasons on file; the high is 14 in 1969.
- Up 1 from 7 in 1978.
- 9% of the Pittsburgh Pirates' wins that regular season.
Figures come from ESPN's box scores and were last read on September 22, 2026.