MLB · Career head-to-head

Roberto HernandezvsGrant Jackson

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

P · VAL group PITCH

Roberto Hernandez

1991–2007 · 17 seasons

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P · VAL group PITCH

Grant Jackson

1965–1982 · 18 seasons

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At a glance

Roberto Hernandez and Grant Jackson: seasons, VAL, honors and league-leading seasons
Roberto Hernandez	Stat	Grant Jackson
17	Seasons	18
36.2	Career VAL	32.1
5.8 (1996)	Peak-season VAL	5.2 (1969)
2×	All-Star Selections	1×
0	Black ink (league-leading seasons)	—
4	Gray ink (top-10 finishes)	—

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 Roberto Hernandez and Grant Jackson have
Roberto Hernandez	Stat	Grant Jackson
Career
1,010	Games	717
Batting
1	Hits	32
0	Home runs	2
0	RBI	17
0	Runs	20
0	Walks	7
.500

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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Pitching
67	Wins	86
71	Losses	75
326	Saves	79
1071.1	Innings pitched	1358.2
945	Strikeouts (pitching)	889
3.45	ERA	3.46
1.37	WHIP	1.31
129	ERA+	106

Age	Roberto Hernandez	Grant Jackson
24	—	0.2
25	—	1.2
26	—	5.2
27	4	0
28	4.3	2.2
29	1	2.2
30	0.8	5.2
31	5.8	2.6
32	3.8	1.2
33	1.7	3.7
34	4.2	1.5
35	3.1	1.6
36	1.3	2.3
37	1	2.6
38	0	0.4
39	0	0
40	3.1	—
41	2.1	—
42	0	—

Age	Roberto Hernandez	Grant Jackson
24	—	0.2
25	—	1.2
26	—	5.2
27	4	0
28	4.3	2.2
29	1	2.2
30	0.8	5.2
31	5.8	2.6
32	3.8	1.2
33	1.7	3.7
34	4.2	1.5
35	3.1	1.6
36	1.3	2.3
37	1	2.6
38	0	0.4
39	0	0
40	3.1	—
41	2.1	—
42	0	—

Age	Roberto Hernandez	Grant Jackson
24	—	0.2
25	—	1.2
26	—	5.2
27	4	0
28	4.3	2.2
29	1	2.2
30	0.8	5.2
31	5.8	2.6
32	3.8	1.2
33	1.7	3.7
34	4.2	1.5
35	3.1	1.6
36	1.3	2.3
37	1	2.6
38	0	0.4
39	0	0
40	3.1	—
41	2.1	—
42	0	—

Age	Roberto Hernandez	Grant Jackson
24	—	0.2
25	—	1.2
26	—	5.2
27	4	0
28	4.3	2.2
29	1	2.2
30	0.8	5.2
31	5.8	2.6
32	3.8	1.2
33	1.7	3.7
34	4.2	1.5
35	3.1	1.6
36	1.3	2.3
37	1	2.6
38	0	0.4
39	0	0
40	3.1	—
41	2.1	—
42	0	—