MLB · Career head-to-head

Bob WelchvsJon Lester

Regular-season careers from the StatVault encyclopedia — the same tables as each player's profile.

P · VAL group PITCH

Bob Welch

1978–1994 · 17 seasons

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P · VAL group PITCH

Jon Lester

2006–2021 · 16 seasons

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At a glance

Bob Welch and Jon Lester: seasons, VAL, honors and league-leading seasons
Bob Welch	Stat	Jon Lester
17	Seasons	16
86.7	Career VAL	80.4
11.6 (1987)	Peak-season VAL	11.3 (2016)
1×	Cy Young Awards	—
2×	All-Star Selections	5×
1	Black ink (league-leading seasons)	0
2	Gray ink (top-10 finishes)	6

VAL is Value Above League — regular-season production measured against the league at the same position group (MLB VAL board). Black and gray ink count seasons from 1950 on.

Career regular season

Career regular-season statistics both Bob Welch and Jon Lester have
Bob Welch	Stat	Jon Lester
Career
520	Games	458
Batting
88	Hits	42
2	Home runs	4
30	RBI	31
26	Runs	27
0	Stolen bases	1
22

VAL by ageEach season plotted at the player's age that season, so careers line up by age rather than by calendar.

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.151	Batting avg	.115

.186	On-base %	.162

.177	Slugging %	.175

3	OPS+	-7

Pitching
211	Wins	200
146	Losses	117
8	Saves	0
3092.0	Innings pitched	2740.0
1,969	Strikeouts (pitching)	2,488
3.47	ERA	3.66
1.27	WHIP	1.28
109	ERA+	114

Pitching

211

Wins

200

146

Losses

117

Saves

3092.0

Innings pitched

2740.0

1,969

Strikeouts (pitching)

2,488

3.47

ERA

3.66

1.27

WHIP

1.28

109

ERA+

114

Age	Bob Welch	Jon Lester
21	5.6	—
22	1.3	1
23	6.1	0.4
24	2.7	9.8
25	7.8	8.1
26	8.2	7.3
27	4.1	4.5
28	8.1	2.3
29	10.3	5.7
30	11.6	9.7
31	4.2	8.3
32	6.3	11.3
33	7.1	4.3
34	0.9	4.4
35	2.4	2.8
36	0	0.1
37	0	0.4