What years did Jim Acker play?

Jim Acker played in Major League Baseball from 1983 to 1992.

Was Jim Acker a pitcher?

Yes. Jim Acker pitched in the major leagues, recording 33 wins and 482 strikeouts.

How many home runs did Jim Acker hit?

Jim Acker hit 0 career home runs with 9 hits.

What was Jim Acker's career batting average?

Jim Acker batted .167 over his career, with 9 hits in 54 at bats.

How many RBI did Jim Acker have?

Jim Acker drove in 1 runs in his career.

What was Jim Acker's career ERA?

Jim Acker finished with a 3.97 career ERA, going 33-49 with 482 strikeouts.

Jim Acker

Pitcher · Career Stats, Bio & Records (1983-1992)

Jim Acker was a pitcher who played in Major League Baseball from 1983 to 1992 for the Toronto Blue Jays, the Atlanta Braves, and the Seattle Mariners, a span of 10 seasons. Across 467 career appearances, he went 33-49 with a 3.97 ERA, 482 strikeouts, and 30 saves.

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 September 8, 2026

W–L 33–49

ERA 3.97

WHIP 1.38

SO 482

Pitcher PIV -4132.3

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'2" / 210 lb
Born: 9/24/1958 in Freer, TX, USA
MLB Debut: 1983-04-07
Last Game: 1992-06-14

Full name: James Justin Acker

📊 Compare This Player 📈 View Career Timeline

Career Pitching Statistics

Jim Acker — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
33	49	467	32	0	0	30	904.3	918	399	82	329	482	3.97	-4132.3

Career ERA 3.97 vs. league average 3.88 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Jim Acker Stats, Bio & Career Records
Year	Team	Lg	W	L	G	GS	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1983	TOR	AL	5	1	38	5	1	97.7	103	47	38	44	4.33	3.87 (-12%)	-796.9
1984	TOR	AL	3	5	32	3	1	72.0	79	35	25	33	4.38	3.81 (-15%)	230.4
1985	TOR	AL	7	2	61	0	10	86.3	86	31	43	42	3.23	3.89 (+17%)	-1015.2
1986	TOR	AL	2	4	23	5	0	60.0	63	29	22	32	4.35	3.97 (-10%)	-347.8
1986	ATL	NL	3	8	21	14	0	95.0	100	40	26	37	3.79	3.97 (+5%)	411.4
1987	ATL	NL	4	9	68	0	14	114.7	109	53	51	68	4.16	4.29 (+3%)	-222.2
1988	ATL	NL	0	4	21	1	0	42.0	45	22	14	25	4.71	3.73 (-26%)	-812.1
1989	ATL	NL	0	6	59	0	2	97.7	84	29	20	68	2.67	3.71 (+28%)	2563.9
1989	TOR	AL	2	1	14	0	0	28.3	24	5	12	24	1.59	3.71 (+57%)	574.5
1990	TOR	AL	4	4	59	0	1	91.7	103	39	30	54	3.83	3.86 (+1%)	-286.9
1991	TOR	AL	3	5	54	4	1	88.3	77	51	36	44	5.20	3.91 (-33%)	-3519.1
1992	SEA	AL	0	0	17	0	0	30.7	45	18	12	11	5.28	3.75 (-41%)	-912.2
Career · 12 seasons			33	49	467	32	30	904.1	918	399	329	482	3.97	—	-4,132

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

Jim Acker — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
467	54	2	9	1	0	0	1	0	2	32	.167	.196	.185	.382	0

Career AVG .167 vs. league average .258 across their career seasons — 35.3% below league average.

Career OBP .196 vs. league average .324 across their career seasons — 39.3% below league average.

Career SLG .185 vs. league average .388 across their career seasons — 52.2% below league average.

Career OPS .382 vs. league average .711 across their career seasons — 46.3% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Jim Acker Stats, Bio & Career Records
Year	Team	Lg	G	AB	R	H	2B	RBI	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1983	TOR	AL	38	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1984	TOR	AL	32	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1985	TOR	AL	61	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1986	TOR	AL	23	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1986	ATL	NL	21	28	1	3	1	0	0	21	.107	—	—	—	—	0.0
1987	ATL	NL	68	14	1	3	0	1	1	8	.214	—	—	—	—	0.0
1988	ATL	NL	21	5	0	2	0	0	1	1	.400	—	—	—	—	0.0
1989	ATL	NL	59	7	0	1	0	0	0	2	.143	—	—	—	—	0.0
1989	TOR	AL	14	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1990	TOR	AL	59	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1991	TOR	AL	54	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1992	SEA	AL	17	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
Career · 12 seasons			467	54	2	9	1	1	2	32	.167	—	—	—	—	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

Jim Acker — Playoff Career Batting
G	AB	R	H	2B	3B	HR	RBI	BB	SO	AVG
8	0	0	0	0	0	0	0	0	0	.000

Playoff Batting by Year

Jim Acker — Playoff Batting by Year
Year	Round	Team	G	AVG
1991	ALCS	TOR	1	.000
1989	ALCS	TOR	5	.000
1985	ALCS	TOR	2	.000

Playoff Career Pitching

Jim Acker — Playoff Career Pitching
W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
0	0	8	0	0	13.0	7	1	1	10	0.69

Playoff Pitching by Year

Jim Acker — Playoff Pitching by Year
Year	Round	Team	G	IP	H	ER	BB	SO	ERA
1991	ALCS	TOR	1	0.7	1	0	0	1	0.00
1989	ALCS	TOR	5	6.3	4	1	1	4	1.42
1985	ALCS	TOR	2	6.0	2	0	0	5	0.00

Game Log & Splits

View full game log (934 games) →

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

Batting — Home / Away

Jim Acker — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	236	26	1	3	0	0	.115
Away	231	28	1	6	0	1	.214

Pitching — Home / Away

Jim Acker — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	236	471.2	460	211	161	245	4.03
Away	231	432.2	458	188	168	237	3.91

Last 10 Games — Pitching

Jim Acker — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1992-06-14	SEA	MIL	—	2.1	6	2	2	1	0	0
1992-06-08	SEA	TEX	—	2.1	9	5	5	0	0	0
1992-06-03	SEA	CLE	—	4.0	3	1	1	1	0	1
1992-05-26	SEA	BAL	—	2.0	2	1	1	0	0	1
1992-05-24	SEA	CLE	—	0.2	1	0	0	1	1	0
1992-05-19	SEA	BOS	—	0.1	0	1	1	1	0	0
1992-05-13	SEA	NYY	—	1.0	0	0	0	1	0	0
1992-05-09	SEA	DET	—	2.1	2	1	1	2	0	0
1992-05-08	SEA	DET	—	0.0	1	1	1	1	0	0
1992-05-06	SEA	TOR	—	1.0	3	2	1	0	1	1

Fielding Statistics

Career Fielding Totals by Position

Jim Acker — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	467	32	73	161	2	11

Season-by-Season Fielding

Jim Acker — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
1983	TOR	P	38	5	12	15	0	4
1984	TOR	P	32	3	7	8	1	0
1985	TOR	P	61	0	10	16	0	1
1986	TOR	P	23	5	9	11	0	2
1986	ATL	P	21	14	7	17	0	2
1987	ATL	P	68	0	6	23	0	2
1988	ATL	P	21	1	3	7	0	0
1989	ATL	P	59	0	12	14	0	0
1989	TOR	P	14	0	1	10	1	0
1990	TOR	P	59	0	5	19	0	0
1991	TOR	P	54	4	1	16	0	0
1992	SEA	P	17	0	0	5	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Jim Acker Stats, Bio & Career Records
Position	Games
Pitcher	467

Salary History

Jim Acker — Salary History
Year	Team	League	Salary
1992	SEA	AL	$275,000
1990	TOR	AL	$700,000
1989	ATL	NL	$688,000
1988	ATL	NL	$435,000
1987	ATL	NL	$350,000
1986	ATL	NL	$367,500
1985	TOR	AL	$170,000
Total Career Earnings			$2,985,500

College History

Jim Acker — College History
School Name	City	State	Years Attended
University of Texas at Austin	Austin	TX	1978, 1979, 1980

Most Similar Players

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

Career Spans

Jim Acker (highlighted) compared to peers across the same era.

Frequently Asked Questions about Jim Acker

What years did Jim Acker play?: Jim Acker played in Major League Baseball from 1983 to 1992.
Was Jim Acker a pitcher?: Yes. Jim Acker pitched in the major leagues, recording 33 wins and 482 strikeouts.
How many home runs did Jim Acker hit?: Jim Acker hit 0 career home runs with 9 hits.
What was Jim Acker's career batting average?: Jim Acker batted .167 over his career, with 9 hits in 54 at bats.
How many RBI did Jim Acker have?: Jim Acker drove in 1 runs in his career.
What was Jim Acker's career ERA?: Jim Acker finished with a 3.97 career ERA, going 33-49 with 482 strikeouts.