What years did Keith Comstock play?

Keith Comstock played in Major League Baseball from 1984 to 1991.

Was Keith Comstock a pitcher?

Yes. Keith Comstock pitched in the major leagues, recording 10 wins and 142 strikeouts.

How many home runs did Keith Comstock hit?

Keith Comstock hit 0 career home runs.

What was Keith Comstock's career batting average?

Keith Comstock batted .000 over his career, with 0 hits in 2 at bats.

What was Keith Comstock's career ERA?

Keith Comstock finished with a 4.06 career ERA, going 10-7 with 142 strikeouts.

How many strikeouts did Keith Comstock have?

Keith Comstock recorded 142 career strikeouts.

Keith Comstock

Pitcher · Career Stats, Bio & Records (1984-1991)

Keith Comstock was a pitcher who played in Major League Baseball from 1984 to 1991 for 4 teams, including the Minnesota Twins, a span of 8 seasons. Across 144 career appearances, he went 10-7 with a 4.06 ERA and 142 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 2062.6.

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 10–7

ERA 4.06

WHIP 1.37

SO 142

Pitcher PIV 2062.6

Position: Pitcher
Bats / Throws: L / L
Height / Weight: 6'0" / 174 lb
Born: 12/23/1955 in San Francisco, CA, USA
MLB Debut: 1984-04-03
Last Game: 1991-08-05

Full name: Keith Martin Comstock

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Career Pitching Statistics

Keith Comstock — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
10	7	144	0	0	0	3	153.0	134	69	14	75	142	4.06	2062.6

Career ERA 4.06 vs. league average 3.89 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Keith Comstock — Season-by-Season Pitching
Year	Team	Lg	W	L	G	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1984	MIN	AL	0	0	4	0	6.1	6	6	4	2	8.53	—	0.0
1987	SFN	NL	2	0	15	1	20.2	19	7	10	21	3.05	4.29 (+29%)	713.0
1987	SDN	NL	0	1	26	0	36.0	33	22	21	38	5.50	4.29 (-28%)	307.5
1988	SDN	NL	0	0	7	0	8.0	8	6	3	9	6.75	—	0.0
1989	SEA	AL	1	2	31	0	25.2	26	8	10	22	2.81	3.71 (+24%)	309.6
1990	SEA	AL	7	4	60	2	56.0	40	18	26	50	2.89	3.86 (+25%)	732.5
1991	SEA	AL	0	0	1	0	0.1	2	2	1	0	54.00	—	0.0
Career · 7 seasons			10	7	144	3	153.0	134	69	75	142	4.06	—	2,063

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

Keith Comstock — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
144	2	0	0	0	0	0	0	0	0	1	.000	.000	.000	.000	0

Career AVG .000 vs. league average .257 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .323 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .387 across their career seasons — 100.0% below league average.

Career OPS .000 vs. league average .710 across their career seasons — 100.0% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Keith Comstock — Season-by-Season Batting
Year	Team	Lg	G	AB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1984	MIN	AL	4	0	0	.000	—	—	—	—	0.0
1987	SFN	NL	15	1	1	.000	—	—	—	—	0.0
1987	SDN	NL	26	1	0	.000	—	—	—	—	0.0
1988	SDN	NL	7	0	0	.000	—	—	—	—	0.0
1989	SEA	AL	31	0	0	.000	—	—	—	—	0.0
1990	SEA	AL	60	0	0	.000	—	—	—	—	0.0
1991	SEA	AL	1	0	0	.000	—	—	—	—	0.0
Career · 7 seasons			144	2	1	.000	—	—	—	—	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.

Game Log & Splits

View full game log (288 games) →

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

Batting — Home / Away

Keith Comstock — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	73	2	0	0	0	0	.000
Away	71	0	0	0	0	0	—

Pitching — Home / Away

Keith Comstock — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	73	84.0	78	36	37	73	3.86
Away	71	69.0	56	33	38	69	4.30

Last 10 Games — Pitching

Keith Comstock — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1991-08-05	SEA	OAK	—	0.1	2	2	2	1	0	0
1990-09-26	SEA	DET	—	0.0	1	0	0	1	0	0
1990-09-25	SEA	DET	—	0.1	0	0	0	0	0	0
1990-09-21	SEA	CHW	—	1.1	0	0	0	1	0	0
1990-09-13	SEA	LAA	L	0.0	1	3	3	2	0	0
1990-09-10	SEA	OAK	SV	0.1	0	0	0	0	1	0
1990-09-05	SEA	BAL	W	1.1	0	0	0	0	2	0
1990-09-04	SEA	BAL	—	2.0	0	0	0	0	2	0
1990-09-02	SEA	KCR	—	1.0	3	3	3	1	0	1
1990-08-30	SEA	DET	—	0.0	0	0	0	1	0	0

Fielding Statistics

Career Fielding Totals by Position

Keith Comstock — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
OF	1	0	0	0	0	0
P	144	0	6	22	2	1

Season-by-Season Fielding

Keith Comstock — Season-by-Season Fielding
Year	Team	Pos	G	PO	A	E	DP
1984	MIN	P	4	1	2	0	0
1987	SFN	OF	1	0	0	0	0
1987	SFN	P	15	2	3	0	1
1987	SDN	P	26	0	1	0	0
1988	SDN	P	7	1	1	0	0
1989	SEA	P	31	0	4	1	0
1990	SEA	P	60	2	11	1	0
1991	SEA	P	1	0	0	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Keith Comstock — Career Games by Position
Position	Games
Pitcher	144
Right Field	1

Salary History

Keith Comstock — Salary History
Year	Team	League	Salary
1990	SEA	AL	$114,000
1989	SEA	AL	$80,000
1987	SFN	NL	$62,500
Total Career Earnings			$256,500

College History

Keith Comstock — College History
School Name	City	State	Years Attended
Canada College	Redwood City	CA	1975, 1976

Keith Comstock: the record in brief

April 3, 1984 and August 5, 1991 bracket Keith Comstock's time in the majors: the debut and the last game on record. The season rows list, in order, the Minnesota Twins (1984), the San Francisco Giants (1987), the San Diego Padres (1987 through 1988), and the Seattle Mariners (1989 to 1991). Listed as a pitcher, Comstock threw and hit left-handed. Comstock is listed at 6'0" and 174 pounds. The birth record reads December 23, 1955, in San Francisco, CA, USA. Comstock's full given name, per the bio, is Keith Martin Comstock.

Across 144 games (0 starts), Comstock recorded 10 wins against 7 losses with a 4.06 ERA. The same table counts 142 strikeouts. Comstock's 4.06 ERA was close to the 3.89 league figure for those seasons. Comstock won 7 games in 1990, the most of any season listed. Among the heaviest workloads, the lowest ERA was 2.89 in 1990, when the league's was 3.86. Pitcher PIV, the site's era-adjusted run-prevention measure, totals 2,062.6 for Comstock's career.

Frequently Asked Questions about Keith Comstock

What years did Keith Comstock play?: Keith Comstock played in Major League Baseball from 1984 to 1991.
Was Keith Comstock a pitcher?: Yes. Keith Comstock pitched in the major leagues, recording 10 wins and 142 strikeouts.
How many home runs did Keith Comstock hit?: Keith Comstock hit 0 career home runs.
What was Keith Comstock's career batting average?: Keith Comstock batted .000 over his career, with 0 hits in 2 at bats.
What was Keith Comstock's career ERA?: Keith Comstock finished with a 4.06 career ERA, going 10-7 with 142 strikeouts.
How many strikeouts did Keith Comstock have?: Keith Comstock recorded 142 career strikeouts.