What years did Jason Grimsley play?

Jason Grimsley played in Major League Baseball from 1989 to 2006.

Was Jason Grimsley a pitcher?

Yes. Jason Grimsley pitched in the major leagues, recording 42 wins and 622 strikeouts.

How many home runs did Jason Grimsley hit?

Jason Grimsley hit 0 career home runs with 4 hits.

What was Jason Grimsley's career batting average?

Jason Grimsley batted .093 over his career, with 4 hits in 43 at bats.

How many RBI did Jason Grimsley have?

Jason Grimsley drove in 2 runs in his career.

What was Jason Grimsley's career ERA?

Jason Grimsley finished with a 4.77 career ERA, going 42-58 with 622 strikeouts.

Jason Grimsley

Pitcher · Career Stats, Bio & Records (1989-2006)

Jason Grimsley was a pitcher who played in Major League Baseball from 1989 to 2006 for 7 teams, including the Philadelphia Phillies, a span of 18 seasons. Across 552 career appearances, he went 42-58 with a 4.77 ERA and 622 strikeouts.

W (Wins):: Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):: Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):: For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):: Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated October 12, 2026

W–L 42–58

ERA 4.77

WHIP 1.55

SO 622

Pitcher PIV -4751.0

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'3" / 180 lb
Born: 8/7/1967 in Cleveland, TX, USA
MLB Debut: 1989-09-08
Last Game: 2006-05-31

Full name: Jason Alan Grimsley

📊 Compare This Player 📈 View Career Timeline

Career Pitching Statistics

Jason Grimsley — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
42	58	552	72	3	1	4	936.2	954	496	83	498	622	4.77	-4751.0

Career ERA 4.77 vs. league average 4.35 across their career seasons — 9.6% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Jason Grimsley Stats, Bio & Career Records
Year	Team	Lg	W	L	G	GS	CG	SHO	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1989	PHI	NL	1	3	4	4	0	0	0	18.1	19	12	19	7	5.89	3.71 (-59%)	-1290.7
1990	PHI	NL	3	2	11	11	0	0	0	57.1	47	21	43	41	3.30	3.86 (+15%)	-140.7
1991	PHI	NL	1	7	12	12	0	0	0	61.0	54	33	41	42	4.87	3.91 (-24%)	-890.4
1993	CLE	AL	3	4	10	6	0	0	0	42.1	52	25	20	27	5.31	4.19 (-27%)	73.0
1994	CLE	AL	5	2	14	13	1	0	0	82.2	91	42	34	59	4.57	4.51 (-1%)	537.3
1995	CLE	AL	0	0	15	2	0	0	1	34.0	37	23	32	25	6.09	4.45 (-37%)	-1454.4
1996	CAL	AL	5	7	35	20	2	1	0	130.1	150	99	74	82	6.84	4.61 (-48%)	-2285.1
1999	NYA	AL	7	2	55	0	0	0	1	75.0	66	30	40	49	3.60	4.71 (+24%)	-172.8
2000	NYA	AL	3	2	63	4	0	0	1	96.1	100	54	42	53	5.04	4.77 (-6%)	-186.5
2001	KCA	AL	1	5	73	0	0	0	0	80.1	71	27	28	61	3.02	4.42 (+32%)	963.9
2002	KCA	AL	4	7	70	0	0	0	1	71.1	64	31	37	59	3.91	4.28 (+9%)	1163.7
2003	KCA	AL	2	6	76	0	0	0	0	75.0	88	43	36	58	5.16	4.40 (-17%)	447.1
2004	KCA	AL	3	3	32	0	0	0	0	26.2	24	10	15	18	3.38	4.46 (+24%)	320.4
2004	BAL	AL	2	4	41	0	0	0	0	36.1	37	17	20	21	4.21	4.46 (+6%)	-289.3
2005	BAL	AL	1	2	22	0	0	0	0	22.0	24	14	9	10	5.73	4.29 (-33%)	-1101.0
2006	ARI	NL	1	2	19	0	0	0	0	27.2	30	15	8	10	4.88	4.53 (-8%)	-445.4
Career · 16 seasons			42	58	552	72	3	1	4	936.2	954	496	498	622	4.77	—	-4,751

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

Jason Grimsley — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
553	43	4	4	0	0	0	2	0	5	13	.093	.188	.093	.281	0

Career AVG .093 vs. league average .265 across their career seasons — 64.9% below league average.

Career OBP .188 vs. league average .334 across their career seasons — 43.8% below league average.

Career SLG .093 vs. league average .416 across their career seasons — 77.7% below league average.

Career OPS .281 vs. league average .750 across their career seasons — 62.6% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Jason Grimsley Stats, Bio & Career Records
Year	Team	Lg	G	AB	R	H	RBI	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1989	PHI	NL	4	5	0	0	0	0	2	.000	—	—	—	—	0.0
1990	PHI	NL	12	16	1	3	2	1	2	.188	—	—	—	—	0.0
1991	PHI	NL	12	17	2	1	0	2	6	.059	—	—	—	—	0.0
1993	CLE	AL	10	0	0	0	0	0	0	.000	—	—	—	—	0.0
1994	CLE	AL	14	0	0	0	0	0	0	.000	—	—	—	—	0.0
1995	CLE	AL	15	0	0	0	0	0	0	.000	—	—	—	—	0.0
1996	CAL	AL	35	0	0	0	0	0	0	.000	—	—	—	—	0.0
1999	NYA	AL	55	0	0	0	0	0	0	.000	—	—	—	—	0.0
2000	NYA	AL	63	1	0	0	0	2	1	.000	—	—	—	—	0.0
2001	KCA	AL	73	0	0	0	0	0	0	.000	—	—	—	—	0.0
2002	KCA	AL	70	0	0	0	0	0	0	.000	—	—	—	—	0.0
2003	KCA	AL	76	0	0	0	0	0	0	.000	—	—	—	—	0.0
2004	KCA	AL	32	0	0	0	0	0	0	.000	—	—	—	—	0.0
2004	BAL	AL	41	0	0	0	0	0	0	.000	—	—	—	—	0.0
2005	BAL	AL	22	0	0	0	0	0	0	.000	—	—	—	—	0.0
2006	ARI	NL	19	4	1	0	0	0	2	.000	—	—	—	—	0.0
Career · 16 seasons			553	43	4	4	2	5	13	.093	—	—	—	—	0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Postseason Statistics

Playoff Career Batting

Jason Grimsley — Playoff Career Batting
G	AB	R	H	2B	3B	HR	RBI	BB	SO	AVG
3	0	0	0	0	0	0	0	0	0	.000

Playoff Batting by Year

Jason Grimsley — Playoff Batting by Year
Year	Round	Team	G	AB	R	H	2B	3B	HR	RBI	BB	SO	AVG
2000	ALCS	NYA	2	0	0	0	0	0	0	0	0	0	.000
1999	WS	NYA	1	0	0	0	0	0	0	0	0	0	.000

Playoff Career Pitching

Jason Grimsley — Playoff Career Pitching
W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
0	0	3	0	0	3.1	4	0	5	1	0.00

Playoff Pitching by Year

Jason Grimsley — Playoff Pitching by Year
Year	Round	Team	W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
2000	ALCS	NYA	0	0	2	0	0	1.0	2	0	3	1	0.00
1999	WS	NYA	0	0	1	0	0	2.1	2	0	2	0	0.00

Game Log & Splits

View full game log (1105 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Jason Grimsley — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	286	18	3	1	0	0	.056
Away	267	25	1	3	0	2	.120

Pitching — Home / Away

Jason Grimsley — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	286	497.1	484	256	250	308	4.63
Away	266	439.1	470	240	248	314	4.92

Last 10 Games — Batting

Jason Grimsley — Last 10 Games — Batting
Date	Tm	Opp	Res	AB	R	SO
2006-05-31	AZ	NYN	L	0	0	0
2006-05-24	AZ	PIT	W	0	0	0
2006-05-21	AZ	ATL	L	0	0	0
2006-05-16	AZ	SDP	W	1	0	1
2006-05-13	AZ	STL	L	0	0	0
2006-05-12	AZ	STL	L	0	0	0
2006-05-05	AZ	CIN	W	0	0	0
2006-05-02	AZ	LAD	W	1	1	0
2006-04-28	AZ	SFG	L	0	0	0
2006-04-23	AZ	LAD	L	1	0	0

Last 10 Games — Pitching

Jason Grimsley — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2006-05-31	AZ	NYN	L	0.1	2	1	1	0	0	0
2006-05-24	AZ	PIT	—	0.0	3	2	2	0	0	1
2006-05-21	AZ	ATL	—	1.0	1	0	0	1	0	0
2006-05-16	AZ	SDP	W	3.0	1	0	0	0	1	0
2006-05-13	AZ	STL	—	3.0	4	1	1	0	2	0
2006-05-12	AZ	STL	—	1.0	0	0	0	0	3	0
2006-05-05	AZ	CIN	—	1.0	1	0	0	0	0	0
2006-05-02	AZ	LAD	—	1.1	0	0	0	2	0	0
2006-04-28	AZ	SFG	—	1.2	3	1	1	0	0	0
2006-04-23	AZ	LAD	—	3.1	3	1	1	2	0	0

Fielding Statistics

Career Fielding Totals by Position

Jason Grimsley — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	552	72	107	142	18	21

Season-by-Season Fielding

Jason Grimsley — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
1989	PHI	P	4	4	1	4	1	1
1990	PHI	P	11	11	13	8	1	2
1991	PHI	P	12	12	2	14	1	3
1993	CLE	P	10	6	4	4	0	0
1994	CLE	P	14	13	6	9	0	1
1995	CLE	P	15	2	0	8	0	1
1996	CAL	P	35	20	23	18	2	2
1999	NYA	P	55	0	8	13	0	0
2000	NYA	P	63	4	11	11	2	4
2001	KCA	P	73	0	6	12	4	2
2002	KCA	P	70	0	6	10	1	1
2003	KCA	P	76	0	17	14	1	2
2004	KCA	P	32	0	3	7	2	0
2004	BAL	P	41	0	7	5	2	0
2005	BAL	P	22	0	0	2	0	1
2006	ARI	P	19	0	0	3	1	1

Career Games by Position

Position Diamond

Circle size = games played at each position.

Jason Grimsley Stats, Bio & Career Records
Position	Games
Pitcher	552

Salary History

Jason Grimsley — Salary History
Year	Team	League	Salary
2006	ARI	NL	$825,000
2005	BAL	AL	$2,000,000
2004	KCA	AL	$1,000,000
2003	KCA	AL	$2,000,000
2002	KCA	AL	$1,900,000
2001	KCA	AL	$750,000
2000	NYA	AL	$750,000
1999	NYA	AL	$350,000
1996	CAL	AL	$425,000
1995	CLE	AL	$325,000
1993	CLE	AL	$125,000
1991	PHI	NL	$118,000
1990	PHI	NL	$105,000
Total Career Earnings			$10,673,000

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Career Spans

Jason Grimsley (highlighted) compared to peers across the same era.

Jason Grimsley: the record in brief

Jason Grimsley played a first major league game on September 8, 1989 and a last one on May 31, 2006. Grimsley played for the Philadelphia Phillies (1989 to 1991), the Cleveland Indians (1993 to 1995), the California Angels (1996), the New York Yankees (1999 to 2000), the Kansas City Royals (2001 to 2004), the Baltimore Orioles (2004 through 2005), and the Arizona Diamondbacks (2006). Grimsley is listed as a pitcher at 6 feet, 3 inches and 180 pounds. Grimsley batted and threw right-handed, per the bio block. The recorded birth is August 7, 1967, in Cleveland, TX, USA. Jason Grimsley was the playing name; the full given name is Jason Alan.

Grimsley's career pitching line is 42 wins, 58 losses and a 4.77 ERA over 552 appearances. Also on Grimsley's record: 622 strikeouts. Against a 4.35 league ERA for the same seasons, the 4.77 mark was 9.6% worse. 1999 brought Grimsley a season-high 7 wins. 1996 produced Grimsley's most strikeouts, 82. Among the heaviest workloads, the lowest ERA was 3.02 in 2001, when the league's was 4.42.

Frequently Asked Questions about Jason Grimsley

What years did Jason Grimsley play?: Jason Grimsley played in Major League Baseball from 1989 to 2006.
Was Jason Grimsley a pitcher?: Yes. Jason Grimsley pitched in the major leagues, recording 42 wins and 622 strikeouts.
How many home runs did Jason Grimsley hit?: Jason Grimsley hit 0 career home runs with 4 hits.
What was Jason Grimsley's career batting average?: Jason Grimsley batted .093 over his career, with 4 hits in 43 at bats.
How many RBI did Jason Grimsley have?: Jason Grimsley drove in 2 runs in his career.
What was Jason Grimsley's career ERA?: Jason Grimsley finished with a 4.77 career ERA, going 42-58 with 622 strikeouts.