MLB · Career head-to-head

Mike JacksonvsAroldis Chapman

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

P · VAL group PITCH

Mike Jackson

1986–2004 · 17 seasons

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P · VAL group PITCH

Aroldis Chapman

2010–2026 · 17 seasons

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At a glance

Mike Jackson and Aroldis Chapman: seasons, VAL, honors and league-leading seasons
Mike Jackson	Stat	Aroldis Chapman
17	Seasons	17
34.7	Career VAL	33.9
4.7 (1998)	Peak-season VAL	5.1 (2025)
—	All-Star Selections	6×
0	Black ink (league-leading seasons)	0
2	Gray ink (top-10 finishes)	7

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 Mike Jackson and Aroldis Chapman have
Mike Jackson	Stat	Aroldis Chapman
Career
1,005	Games	916
Batting
5	Hits	0
1	RBI	0
3	Runs	1
1	Walks	0
.179	Batting avg	.000
.207

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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.250	Slugging %	.000

25	OPS+	-100

Pitching
62	Wins	63
67	Losses	52
142	Saves	402
1188.1	Innings pitched	873.0
1,006	Strikeouts (pitching)	1,402
3.42	ERA	2.48
1.22	WHIP	1.08
123	ERA+	165

Pitching

Wins

Losses

142

Saves

402

1188.1

Innings pitched

873.0

1,006

Strikeouts (pitching)

1,402

3.42

ERA

2.48

1.22

WHIP

1.08

123

ERA+

165

Age	Mike Jackson	Aroldis Chapman
22	1.6	—
23	2.7	0.2
24	1.1	4.1
25	0	1.3
26	3.4	2.5
27	1	2.8
28	3.4	4.1
29	3.1	2.3
30	2.5	2.4
31	2.5	3.9
32	4.1	—
33	4.7	0.2
34	1.9	0
35	—	1.6
36	0.2	0.5
37	2.1	5.1
38	—	2.9
39	0.4	—

Age	Mike Jackson	Aroldis Chapman
22	1.6	—
23	2.7	0.2
24	1.1	4.1
25	0	1.3
26	3.4	2.5
27	1	2.8
28	3.4	4.1
29	3.1	2.3
30	2.5	2.4
31	2.5	3.9
32	4.1	—
33	4.7	0.2
34	1.9	0
35	—	1.6
36	0.2	0.5
37	2.1	5.1
38	—	2.9
39	0.4	—

Age	Mike Jackson	Aroldis Chapman
22	1.6	—
23	2.7	0.2
24	1.1	4.1
25	0	1.3
26	3.4	2.5
27	1	2.8
28	3.4	4.1
29	3.1	2.3
30	2.5	2.4
31	2.5	3.9
32	4.1	—
33	4.7	0.2
34	1.9	0
35	—	1.6
36	0.2	0.5
37	2.1	5.1
38	—	2.9
39	0.4	—

Age	Mike Jackson	Aroldis Chapman
22	1.6	—
23	2.7	0.2
24	1.1	4.1
25	0	1.3
26	3.4	2.5
27	1	2.8
28	3.4	4.1
29	3.1	2.3
30	2.5	2.4
31	2.5	3.9
32	4.1	—
33	4.7	0.2
34	1.9	0
35	—	1.6
36	0.2	0.5
37	2.1	5.1
38	—	2.9
39	0.4	—