What years did Stan Perzanowski play?

Stan Perzanowski played in Major League Baseball from 1971 to 1978.

Was Stan Perzanowski a pitcher?

Yes. Stan Perzanowski pitched in the major leagues, recording 5 wins and 70 strikeouts.

How many home runs did Stan Perzanowski hit?

Stan Perzanowski hit 0 career home runs.

What was Stan Perzanowski's career batting average?

Stan Perzanowski batted .000 over his career, with 0 hits in 2 at bats.

What was Stan Perzanowski's career ERA?

Stan Perzanowski finished with a 5.11 career ERA, going 5-11 with 70 strikeouts.

How many strikeouts did Stan Perzanowski have?

Stan Perzanowski recorded 70 career strikeouts.

Stan Perzanowski

Pitcher · Career Stats, Bio & Records (1971-1978)

Stan Perzanowski was a pitcher who played in Major League Baseball from 1971 to 1978 for the Chicago White Sox, the Texas Rangers, and the Minnesota Twins, a span of 8 seasons. Across 37 career appearances, he went 5-11 with a 5.11 ERA and 70 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 261.5.

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 October 12, 2026

W–L 5–11

ERA 5.11

WHIP 1.54

SO 70

Pitcher PIV 261.5

Position: Pitcher
Bats / Throws: B / R
Height / Weight: 6'2" / 170 lb
Born: 8/25/1950 in East Chicago, IN, USA
MLB Debut: 1971-06-20
Last Game: 1978-09-27

Full name: Stanley Perzanowski

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Career Pitching Statistics

Stan Perzanowski — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
5	11	37	16	2	0	2	142.2	160	81	7	60	70	5.11	261.5

Career ERA 5.11 vs. league average 3.60 across their career seasons — 41.8% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Stan Perzanowski — Season-by-Season Pitching
Year	Team	Lg	W	L	G	GS	CG	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1971	CHA	AL	0	1	5	0	0	1	6.0	14	8	3	5	12.00	—	0.0
1974	CHA	AL	0	0	2	1	0	0	2.1	8	5	2	2	19.29	—	0.0
1975	TEX	AL	3	3	12	8	1	0	66.0	59	22	25	26	3.00	3.71 (+19%)	586.8
1976	TEX	AL	0	0	5	0	0	0	11.2	20	13	4	6	10.03	3.51 (-185%)	-867.9
1978	MIN	AL	2	7	13	7	1	1	56.2	59	33	26	31	5.24	3.69 (-42%)	542.6
Career · 5 seasons			5	11	37	16	2	2	142.2	160	81	60	70	5.11	—	262

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

Stan Perzanowski — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
37	2	0	0	0	0	0	0	0	0	1	.000	.000	.000	.000	0

Career AVG .000 vs. league average .255 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .322 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .370 across their career seasons — 100.0% below league average.

Career OPS .000 vs. league average .692 across their career seasons — 100.0% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Stan Perzanowski — Season-by-Season Batting
Year	Team	Lg	G	AB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1971	CHA	AL	5	2	1	.000	—	—	—	—	0.0
1974	CHA	AL	2	0	0	.000	—	—	—	—	0.0
1975	TEX	AL	12	0	0	.000	—	—	—	—	0.0
1976	TEX	AL	5	0	0	.000	—	—	—	—	0.0
1978	MIN	AL	13	0	0	.000	—	—	—	—	0.0
Career · 5 seasons			37	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 (74 games) →

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

Batting — Home / Away

Stan Perzanowski — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	21	1	0	0	0	0	.000
Away	16	1	0	0	0	0	.000

Pitching — Home / Away

Stan Perzanowski — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	21	89.1	97	42	31	43	4.23
Away	16	53.1	63	39	29	27	6.58

Last 10 Games — Pitching

Stan Perzanowski — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1978-09-27	MIN	TEX	L	0.1	1	3	3	2	0	0
1978-09-21	MIN	TEX	—	1.1	0	0	0	0	2	0
1978-09-18	MIN	LAA	SV	3.2	3	0	0	2	3	0
1978-09-12	MIN	CHW	—	2.1	1	0	0	0	1	0
1978-09-03	MIN	CLE	—	5.2	8	3	2	2	3	0
1978-08-22	MIN	DET	L	5.0	5	4	4	2	2	0
1978-08-20	MIN	TOR	L	5.0	10	5	4	1	2	0
1978-08-16	MIN	KCR	L	7.0	10	6	6	3	4	1
1978-08-12	MIN	OAK	W	8.1	7	3	1	2	3	0
1978-08-07	MIN	SEA	L	1.0	1	1	1	1	0	0

Fielding Statistics

Career Fielding Totals by Position

Stan Perzanowski — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	37	16	12	31	3	1

Season-by-Season Fielding

Stan Perzanowski — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
1971	CHA	P	5	0	1	0	0	0
1974	CHA	P	2	1	0	1	0	0
1975	TEX	P	12	8	6	17	2	0
1976	TEX	P	5	0	2	2	0	0
1978	MIN	P	13	7	3	11	1	1

Career Games by Position

Position Diamond

Circle size = games played at each position.

Stan Perzanowski — Career Games by Position
Position	Games
Pitcher	37

Stan Perzanowski: the record in brief

Between the debut on June 20, 1971 and the final game on September 27, 1978, Stan Perzanowski built the record summarized on this page. By club, Perzanowski's seasons break down as the Chicago White Sox (1971 to 1974), the Texas Rangers (1975 to 1976), and the Minnesota Twins (1978). The bio lists Perzanowski as a pitcher who switch-hit and threw right-handed. Height and weight on file: 6 feet, 2 inches and 170 pounds. The birth record reads August 25, 1950, in East Chicago, IN, USA. Perzanowski's full given name, per the bio, is Stanley Perzanowski.

Perzanowski went 5-11 with a 5.11 ERA in 37 games, 16 of them starts. Perzanowski had 70 strikeouts. Against a 3.60 league ERA for the same seasons, the 5.11 mark was 41.8% worse. 1975 was Perzanowski's sharpest full season, a 3.00 ERA against the league's 3.71. Perzanowski's career Pitcher PIV, which scores run prevention against each season's league, is 261.5.

Frequently Asked Questions about Stan Perzanowski

What years did Stan Perzanowski play?: Stan Perzanowski played in Major League Baseball from 1971 to 1978.
Was Stan Perzanowski a pitcher?: Yes. Stan Perzanowski pitched in the major leagues, recording 5 wins and 70 strikeouts.
How many home runs did Stan Perzanowski hit?: Stan Perzanowski hit 0 career home runs.
What was Stan Perzanowski's career batting average?: Stan Perzanowski batted .000 over his career, with 0 hits in 2 at bats.
What was Stan Perzanowski's career ERA?: Stan Perzanowski finished with a 5.11 career ERA, going 5-11 with 70 strikeouts.
How many strikeouts did Stan Perzanowski have?: Stan Perzanowski recorded 70 career strikeouts.