Jerry Koosman vs Pascual Perez

Jerry Koosman and Pascual Perez compared on their MLB careers: Jerry Koosman played 19 seasons, 1967 to 1985, Pascual Perez 11 seasons, 1980 to 1991. Jerry Koosman has 222 wins to Pascual Perez's 67. Jerry Koosman won 1 title.

Who has the better career numbers?

Jerry Koosman and Pascual Perez career totals
612GP207
222W67
209L68
3.4ERA3.4
3839.1IP1244.1
2,556K822
1,198BB344
1.3WHIP1.2
17SV0

How do they compare in the postseason?

Jerry Koosman and Pascual Perez postseason
7GP2
0R0
32H10

Where each stands all time

Jerry Koosman and Pascual Perez all-time places
34th (2,556)Strikeouts (pitching)
74th (222)Wins (pitching)

Among the MLB players with a career line on file, regular season, counting stats only — the same lists the records pages run on.

Titles and awards

  • Jerry Koosman: 1 championship; none on file
  • Pascual Perez: 0 championships; none on file

Awards come from the league’s published winner lists; a championship counts a season played for the club that won it.

Season by season

Lined up by career year, not by calendar: each row is the players’ nth season.

Jerry Koosman and Pascual Perez season by season
W: Games in which this pitcher was credited with the win.L: Games in which this pitcher was charged with the loss.ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.W: Games in which this pitcher was credited with the win.L: Games in which this pitcher was charged with the loss.ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.
1st1967026.041980013.75
2nd196819122.081981273.96
3rd19691792.281982443.06
4th19701273.1419831583.43
5th19716113.0419841483.74
6th197211124.1419851136.14
7th197314152.841987702.30
8th197415113.3619881282.44
9th197514133.4219899133.31
10th197621102.691990121.29
11th19778203.491991243.18
12th19783153.75
13th197920133.38
14th198016134.03
15th19814134.01
16th19821173.84
17th19831174.77
18th198414153.25
19th1985644.62

What the columns mean: W · L · ERA