What years did Lou Knerr play?

Lou Knerr played in Major League Baseball from 1945 to 1947.

Was Lou Knerr a pitcher?

Yes. Lou Knerr pitched in the major leagues, recording 8 wins and 104 strikeouts.

How many home runs did Lou Knerr hit?

Lou Knerr hit 0 career home runs with 19 hits.

What was Lou Knerr's career batting average?

Lou Knerr batted .194 over his career, with 19 hits in 98 at bats.

How many RBI did Lou Knerr have?

Lou Knerr drove in 10 runs in his career.

What was Lou Knerr's career ERA?

Lou Knerr finished with a 5.04 career ERA, going 8-27 with 104 strikeouts.

Lou Knerr

Pitcher · Career Stats, Bio & Records (1945-1947)

Lou Knerr was a pitcher who played in Major League Baseball from 1945 to 1947 for the Philadelphia Athletics and the Washington Senators, a span of 3 seasons. Across 63 career appearances, he went 8-27 with a 5.04 ERA and 104 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 8–27

ERA 5.04

WHIP 1.67

SO 104

Pitcher PIV -5138.3

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'1" / 210 lb
Born: 8/21/1921 in Denver, PA, USA
Died: 3/27/1980 in Reading, PA, USA
MLB Debut: 1945-04-17
Last Game: 1947-06-07

Full name: Wallace Luther Knerr

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Career Pitching Statistics

Lou Knerr — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
8	27	63	39	11	0	0	287.1	330	161	20	149	104	5.04	-5138.3

Career ERA 5.04 vs. league average 3.74 across their career seasons — 34.7% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Lou Knerr — Season-by-Season Pitching
Year	Team	Lg	W	L	G	GS	CG	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1945	PHA	AL	5	11	27	17	5	130.0	142	61	74	41	4.22	3.67 (-15%)	-2438.4
1946	PHA	AL	3	16	30	22	6	148.1	171	89	67	58	5.40	3.59 (-50%)	-2699.9
1947	WS1	AL	0	0	6	0	0	9.0	17	11	8	5	11.00	3.97 (-177%)	0.0
Career · 3 seasons			8	27	63	39	11	287.1	330	161	149	104	5.04	—	-5,138

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

Lou Knerr — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
64	98	4	19	3	0	0	10	0	1	13	.194	.210	.224	.434	-291

Career AVG .194 vs. league average .260 across their career seasons — 25.5% below league average.

Career OBP .210 vs. league average .332 across their career seasons — 36.7% below league average.

Career SLG .224 vs. league average .363 across their career seasons — 38.2% below league average.

Career OPS .434 vs. league average .695 across their career seasons — 37.5% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Lou Knerr — Season-by-Season Batting
Year	Team	Lg	G	AB	R	H	2B	RBI	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1945	PHA	AL	28	47	3	9	1	8	0	5	.191	—	—	—	—	0.0
1946	PHA	AL	30	50	1	9	2	2	1	8	.180	.256 (-30%)	.328 (-36%)	.358 (-39%)	.687 (-37%)	-291.3
1947	WS1	AL	6	1	0	1	0	0	0	0	1.000	—	—	—	—	0.0
Career · 3 seasons			64	98	4	19	3	10	1	13	.194	—	—	—	—	-291

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 (127 games) →

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

Batting — Home / Away

Lou Knerr — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	30	36	3	7	0	5	.194
Away	34	62	1	12	0	5	.194

Pitching — Home / Away

Lou Knerr — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	29	116.2	140	67	57	51	5.17
Away	34	170.2	190	91	92	54	4.80

Last 10 Games — Batting

Lou Knerr — Last 10 Games — Batting
Date	Tm	Opp	Res	AB	H	SO
1947-06-07	MIN	CHW	L	0	0	0
1947-06-04	MIN	CLE	L	0	0	0
1947-05-28	MIN	NYY	L	0	0	0
1947-05-15	MIN	CLE	L	1	1	0
1947-05-12	MIN	PHA	L	0	0	0
1947-05-01	MIN	SLA	L	0	0	0
1946-09-25	PHA	MIN	L	2	0	0
1946-09-11	PHA	SLA	L	4	1	0
1946-08-30	PHA	BOS	L	2	0	0
1946-08-28	PHA	SLA	L	1	0	1

Last 10 Games — Pitching

Lou Knerr — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1947-06-07	MIN	CHW	—	1.0	0	0	0	1	2	0
1947-06-04	MIN	CLE	—	0.2	0	0	0	0	0	0
1947-05-28	MIN	NYY	—	1.2	2	2	2	3	0	0
1947-05-15	MIN	CLE	—	3.0	7	6	4	2	1	0
1947-05-12	MIN	PHA	—	0.2	0	0	0	1	1	0
1947-05-01	MIN	SLA	—	2.0	8	5	5	1	1	1
1946-09-25	PHA	MIN	L	6.0	11	7	6	2	3	0
1946-09-11	PHA	SLA	L	8.0	8	4	3	1	4	1
1946-08-30	PHA	BOS	L	5.0	9	6	6	3	0	0
1946-08-28	PHA	SLA	—	3.2	5	2	2	1	3	0

Fielding Statistics

Career Fielding Totals by Position

Lou Knerr — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	63	0	14	53	2	3

Season-by-Season Fielding

Lou Knerr — Season-by-Season Fielding
Year	Team	Pos	G	PO	A	E	DP
1945	PHA	P	27	10	24	1	3
1946	PHA	P	30	4	26	0	0
1947	WS1	P	6	0	3	1	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Lou Knerr — Career Games by Position
Position	Games
Pitcher	63

College History

Lou Knerr — College History
School Name	City	State	Years Attended
Muhlenberg College	Allentown	PA	1940

Lou Knerr: the record in brief

April 17, 1945 and June 7, 1947 bracket Lou Knerr's time in the majors: the debut and the last game on record. The team column moves through the Philadelphia Athletics (1945 through 1946) and the Washington Senators (1947). Knerr played primarily as a pitcher and threw and hit right-handed. Born on August 21, 1921, in Denver, PA, USA, Knerr was listed at 6'1" and 210 pounds. The bio records the death on March 27, 1980, in Reading, PA, USA. On the record, Lou Knerr was born Wallace Luther Knerr.

Knerr pitched in 63 games, starting 39, and finished with a 8-27 record and 5.04 ERA. The same table counts 104 strikeouts and 11 complete games. Against a 3.74 league ERA for the same seasons, the 5.04 mark was 34.7% worse. Knerr won 5 games in 1945, the most of any season listed. The strikeout high was 58 in 1946. 1945 was Knerr's sharpest full season, a 4.22 ERA against the league's 3.67.

Frequently Asked Questions about Lou Knerr

What years did Lou Knerr play?: Lou Knerr played in Major League Baseball from 1945 to 1947.
Was Lou Knerr a pitcher?: Yes. Lou Knerr pitched in the major leagues, recording 8 wins and 104 strikeouts.
How many home runs did Lou Knerr hit?: Lou Knerr hit 0 career home runs with 19 hits.
What was Lou Knerr's career batting average?: Lou Knerr batted .194 over his career, with 19 hits in 98 at bats.
How many RBI did Lou Knerr have?: Lou Knerr drove in 10 runs in his career.
What was Lou Knerr's career ERA?: Lou Knerr finished with a 5.04 career ERA, going 8-27 with 104 strikeouts.