What years did Chris Bosio play?

Chris Bosio played in Major League Baseball from 1986 to 1996.

Was Chris Bosio a pitcher?

Yes. Chris Bosio pitched in the major leagues, recording 94 wins and 1059 strikeouts.

What was Chris Bosio's career ERA?

Chris Bosio finished with a 3.96 career ERA, going 94-93 with 1,059 strikeouts.

How many strikeouts did Chris Bosio have?

Chris Bosio recorded 1,059 career strikeouts.

Is Chris Bosio in the Hall of Fame?

No. Chris Bosio has not been inducted into the National Baseball Hall of Fame.

What teams did Chris Bosio play for?

Chris Bosio played for the Milwaukee Brewers and the Seattle Mariners.

Chris Bosio

Pitcher · Career Stats, Bio & Records (1986-1996)

Chris Bosio was a pitcher who played in Major League Baseball from 1986 to 1996 for the Milwaukee Brewers and the Seattle Mariners, a span of 11 seasons. Across 309 career appearances, he went 94-93 with a 3.96 ERA and 1,059 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 10397.5.

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 94–93

ERA 3.96

WHIP 1.30

SO 1,059

Pitcher PIV 10397.5

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'3" / 220 lb
Born: 4/3/1963 in Carmichael, CA, USA
MLB Debut: 1986-08-03
Last Game: 1996-09-22

Full name: Christopher Louis Bosio

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Career Pitching Statistics

Chris Bosio — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
94	93	309	246	39	9	9	1710.0	1,742	753	162	481	1,059	3.96	10397.5

Career ERA 3.96 vs. league average 4.08 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Chris Bosio Stats, Bio & Career Records
Year	Team	Lg	W	L	G	GS	CG	SHO	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1986	ML4	AL	0	4	10	4	0	0	0	34.7	41	27	13	29	7.01	3.97 (-76%)	-1408.7
1987	ML4	AL	11	8	46	19	2	1	2	170.0	187	99	50	150	5.24	4.29 (-22%)	4005.9
1988	ML4	AL	7	15	38	22	9	1	6	182.0	190	68	38	84	3.36	3.73 (+10%)	1415.2
1989	ML4	AL	15	10	33	33	8	2	0	234.7	225	77	48	173	2.95	3.71 (+20%)	5197.9
1990	ML4	AL	4	9	20	20	4	1	0	132.7	131	59	38	76	4.00	3.86 (-4%)	-657.6
1991	ML4	AL	14	10	32	32	5	1	0	204.7	187	74	58	117	3.25	3.91 (+17%)	1485.7
1992	ML4	AL	16	6	33	33	4	2	0	231.3	223	93	44	120	3.62	3.75 (+3%)	1194.7
1993	SEA	AL	9	9	29	24	3	1	1	164.3	138	63	59	119	3.45	4.19 (+18%)	1513.8
1994	SEA	AL	4	10	19	19	4	0	0	125.0	137	60	40	67	4.32	4.51 (+4%)	-360.6
1995	SEA	AL	10	8	31	31	0	0	0	170.0	211	93	69	85	4.92	4.45 (-11%)	-1421.8
1996	SEA	AL	4	4	18	9	0	0	0	60.7	72	40	24	39	5.93	4.61 (-29%)	-567.0
Career · 11 seasons			94	93	309	246	39	9	9	1,710.0	1,742	753	481	1,059	3.96	—	10,398

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

Chris Bosio — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
310	0	0	0	0	0	0	0	0	0	0	.000	.000	.000	.000	0

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Chris Bosio Stats, Bio & Career Records
Year	Team	Lg	G	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1986	ML4	AL	10	.000	—	—	—	—	0.0
1987	ML4	AL	46	.000	—	—	—	—	0.0
1988	ML4	AL	38	.000	—	—	—	—	0.0
1989	ML4	AL	33	.000	—	—	—	—	0.0
1990	ML4	AL	20	.000	—	—	—	—	0.0
1991	ML4	AL	32	.000	—	—	—	—	0.0
1992	ML4	AL	33	.000	—	—	—	—	0.0
1993	SEA	AL	30	.000	—	—	—	—	0.0
1994	SEA	AL	19	.000	—	—	—	—	0.0
1995	SEA	AL	31	.000	—	—	—	—	0.0
1996	SEA	AL	18	.000	—	—	—	—	0.0
Career · 11 seasons			310	—	—	—	—	—	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

Chris Bosio — 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

Chris Bosio — Playoff Batting by Year
Year	Round	Team	G	AB	R	H	2B	3B	HR	RBI	BB	SO	AVG
1995	ALCS	SEA	1	0	0	0	0	0	0	0	0	0	.000
1995	ALDS2	SEA	2	0	0	0	0	0	0	0	0	0	.000

Playoff Career Pitching

Chris Bosio — Playoff Career Pitching
W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
0	1	3	3	0	13.0	17	11	6	5	7.62

Playoff Pitching by Year

Chris Bosio — Playoff Pitching by Year
Year	Round	Team	W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
1995	ALCS	SEA	0	1	1	1	0	5.3	7	2	2	3	3.38
1995	ALDS2	SEA	0	0	2	2	0	7.7	10	9	4	2	10.57

Game Log & Splits

View full game log (619 games) →

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

Batting — Home / Away

Chris Bosio — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	156	0	0	0	0	0	—
Away	154	0	0	0	0	0	—

Pitching — Home / Away

Chris Bosio — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	156	897.1	898	379	234	581	3.80
Away	153	812.2	844	374	247	478	4.14

Last 10 Games — Pitching

Chris Bosio — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1996-09-22	SEA	OAK	—	2.0	1	0	0	0	1	0
1996-08-31	SEA	BAL	L	2.2	3	2	2	2	2	1
1996-08-23	SEA	BOS	W	1.1	0	0	0	0	1	0
1996-08-19	SEA	NYY	—	3.2	6	4	4	1	3	2
1996-08-17	SEA	NYY	—	1.2	0	0	0	0	1	0
1996-08-12	SEA	KCR	—	3.1	4	1	0	2	2	0
1996-08-11	SEA	MIN	—	1.0	1	2	1	3	1	0
1996-08-09	SEA	MIN	—	2.0	0	0	0	0	2	0
1996-08-02	SEA	DET	—	1.0	0	0	0	0	1	0
1996-07-28	SEA	DET	L	4.0	8	8	7	0	5	1

Fielding Statistics

Career Fielding Totals by Position

Chris Bosio — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	309	246	147	246	15	35

Season-by-Season Fielding

Chris Bosio — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
1986	ML4	P	10	4	4	5	1	1
1987	ML4	P	46	19	14	24	4	5
1988	ML4	P	38	22	22	33	3	7
1989	ML4	P	33	33	16	35	2	2
1990	ML4	P	20	20	12	24	1	2
1991	ML4	P	32	32	20	21	2	4
1992	ML4	P	33	33	20	26	0	5
1993	SEA	P	29	24	13	21	1	2
1994	SEA	P	19	19	11	24	0	3
1995	SEA	P	31	31	12	23	1	3
1996	SEA	P	18	9	3	10	0	1

Career Games by Position

Position Diamond

Circle size = games played at each position.

Chris Bosio Stats, Bio & Career Records
Position	Games
Pitcher	309
Designated Hitter	1

Awards & Honors

Chris Bosio — Awards & Honors
Year	Award	Notes
1993	Player of the Week	Week of 1993-04-24

Salary History

Chris Bosio — Salary History
Year	Team	League	Salary
1996	SEA	AL	$4,250,000
1995	SEA	AL	$4,250,000
1994	SEA	AL	$4,000,000
1993	SEA	AL	$2,750,000
1992	ML4	AL	$2,387,000
1991	ML4	AL	$875,000
1990	ML4	AL	$710,000
1989	ML4	AL	$227,500
1988	ML4	AL	$107,000
1987	ML4	AL	$62,500
1986	ML4	AL	$60,000
Total Career Earnings			$19,679,000

College History

Chris Bosio — College History
School Name	City	State	Years Attended
Sacramento City College	Sacramento	CA	1982

Most Similar Players

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

Career Spans

Chris Bosio (highlighted) compared to peers across the same era.

Frequently Asked Questions about Chris Bosio

What years did Chris Bosio play?: Chris Bosio played in Major League Baseball from 1986 to 1996.
Was Chris Bosio a pitcher?: Yes. Chris Bosio pitched in the major leagues, recording 94 wins and 1059 strikeouts.
What was Chris Bosio's career ERA?: Chris Bosio finished with a 3.96 career ERA, going 94-93 with 1,059 strikeouts.
How many strikeouts did Chris Bosio have?: Chris Bosio recorded 1,059 career strikeouts.
Is Chris Bosio in the Hall of Fame?: No. Chris Bosio has not been inducted into the National Baseball Hall of Fame.
What teams did Chris Bosio play for?: Chris Bosio played for the Milwaukee Brewers and the Seattle Mariners.