Jerry Koosman vs Jon Matlack

Jerry Koosman Jon Matlack

Jerry Koosman and Jon Matlack compared on their MLB careers: Jerry Koosman played 19 seasons, 1967 to 1985, Jon Matlack 13 seasons, 1971 to 1983. Jerry Koosman has 222 wins to Jon Matlack's 125. Jerry Koosman won 1 title.

Who has the better career numbers?

Jerry Koosman and Jon Matlack career totals

612	GP	361
222	W	125
209	L	126
3.4	ERA	3.2
3839.1	IP	2,363
2,556	K	1,516
1,198	BB	638
1.3	WHIP	1.2
17	SV	3

How do they compare in the postseason?

Jerry Koosman and Jon Matlack postseason

7	GP	4
0	R	0
32	H	12

Where each stands all time

Jerry Koosman and Jon Matlack all-time places

34th (2,556)	Strikeouts (pitching)	225th (1,516)
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
Jon Matlack: 0 championships; NL Rookie of the Year

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 Jon Matlack season by season

1st	1967	0	2	6.04	1971	0	3	4.14
2nd	1968	19	12	2.08	1972	15	10	2.32
3rd	1969	17	9	2.28	1973	14	16	3.20
4th	1970	12	7	3.14	1974	13	15	2.41
5th	1971	6	11	3.04	1975	16	12	3.38
6th	1972	11	12	4.14	1976	17	10	2.95
7th	1973	14	15	2.84	1977	7	15	4.21
8th	1974	15	11	3.36	1978	15	13	2.27
9th	1975	14	13	3.42	1979	5	4	4.13
10th	1976	21	10	2.69	1980	10	10	3.68
11th	1977	8	20	3.49	1981	4	7	4.14
12th	1978	3	15	3.75	1982	7	7	3.53
13th	1979	20	13	3.38	1983	2	4	4.66
14th	1980	16	13	4.03	—	—	—	—
15th	1981	4	13	4.01	—	—	—	—
16th	1982	11	7	3.84	—	—	—	—
17th	1983	11	7	4.77	—	—	—	—
18th	1984	14	15	3.25	—	—	—	—
19th	1985	6	4	4.62	—	—	—	—

What the columns mean: W · L · ERA