Kaiser Wilhelm

Born: 1/26/1877 in Wooster, OH, USA

Died: 5/22/1936 in Rochester, NY, USA

MLB Debut: 1903-04-18 | Final Game: 1921-08-26

Bats: R | Throws: R | Height: 6'0" | Weight: 162 lbs

Full name: Irvin Key Wilhelm

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Biography

Kaiser Wilhelm was a professional baseball pitcher whose career spanned from 1903 to 1921. Born in 1877, Wilhelm emerged in an era of baseball that was characterized by its transition from the deadball era to the more offensive-minded approaches of the following decades. Over his career, he compiled a record of 56 wins and 105 losses, with a respectable earned run average (ERA) of 3.44. His ability to strike out batters was notable, as he recorded a total of 444 strikeouts during his time on the mound. Wilhelm also contributed to his teams with a handful of saves, finishing his career with 5. His playing style was marked by a focus on control and strategy, which was essential in an era when pitchers had to rely more on finesse than sheer power. Although he did not achieve the level of fame of some of his contemporaries, Wilhelm's contributions to the game and his resilience on the field reflect the challenges faced by players of his time. His legacy remains a part of the rich tapestry of early 20th-century baseball history.

Career Pitching Statistics

W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
56	105	216	158	118	12	5	1432.3	1495	547	34	418	444	3.44	0

Career ERA 3.44 vs. league average 2.93 across their career seasons — 17.3% worse than league average.

Season-by-Season Pitching

Year	Team	Lg	W	L	G	GS	CG	SHO	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1903	PIT	NL	5	3	12	9	7	1	0	86.0	88	31	25	20	3.24	3.10 (-5%)	-346.0
1904	BSN	NL	14	20	39	36	30	3	0	288.0	316	118	74	73	3.69	2.66 (-39%)	-3516.6
1905	BSN	NL	3	23	34	28	23	0	0	242.3	287	122	75	76	4.53	2.82 (-61%)	-2846.7
1908	BRO	NL	16	22	42	36	33	6	0	332.0	266	69	83	99	1.87	2.40 (+22%)	-501.3
1909	BRO	NL	3	13	22	17	14	1	0	163.0	176	59	59	45	3.26	2.55 (-28%)	-2136.3
1910	BRO	NL	3	7	15	5	0	0	0	68.3	88	36	18	17	4.74	2.79 (-70%)	-817.3
1914	BLF	FL	12	17	47	27	11	1	5	243.7	263	109	81	113	4.03	2.93 (-38%)	-883.4
1915	BLF	FL	0	0	1	0	0	0	0	1.0	0	0	0	0	0.00	—	0.0
1921	PHI	NL	0	0	4	0	0	0	0	8.0	11	3	3	1	3.38	—	0.0

Career Batting Statistics

G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
223	507	23	78	10	3	0	24	0	17	97	0.154	0.183	0.185	0.368	-2991.6

Career AVG .154 vs. league average .254 across their career seasons — 39.5% below league average.

Career OBP .183 vs. league average .316 across their career seasons — 42.2% below league average.

Career SLG .185 vs. league average .336 across their career seasons — 44.8% below league average.

Career OPS 0.368 vs. league average 0.652 across their career seasons — 43.5% below league average.

Season-by-Season Batting

Year	Team	Lg	G	AB	R	H	2B	3B	RBI	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1903	PIT	NL	13	34	2	3	0	0	0	2	6	0.088	—	—	—	—	0.0
1904	BSN	NL	39	100	3	7	2	0	3	3	26	0.070	.246 (-72%)	.300 (-68%)	.321 (-72%)	.622 (-70%)	-1056.5
1905	BSN	NL	38	100	3	16	2	0	4	1	21	0.160	.248 (-36%)	.307 (-45%)	.322 (-44%)	.629 (-45%)	-693.6
1908	BRO	NL	42	111	4	12	0	0	3	6	15	0.108	.240 (-55%)	.298 (-48%)	.306 (-65%)	.605 (-57%)	-922.0
1909	BRO	NL	22	57	1	13	1	2	4	1	13	0.228	.244 (-7%)	.306 (-21%)	.312 (+1%)	.618 (-10%)	-115.3
1910	BRO	NL	15	19	2	6	2	0	2	2	1	0.316	—	—	—	—	0.0
1914	BLF	FL	49	84	8	21	3	1	8	2	14	0.250	.255 (-2%)	.322 (-17%)	.339 (-9%)	.661 (-13%)	-204.1
1915	BLF	FL	1	0	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1921	PHI	NL	4	2	0	0	0	0	0	0	1	0.000	—	—	—	—	0.0

Fielding Statistics

Career Fielding Totals by Position

Position	G	GS	PO	A	E	DP
OF	5	3	8	2	1	0
P	216	122	64	472	31	11

Season-by-Season Fielding

Year	Team	Pos	G	GS	PO	A	E	DP
1903	PIT	OF	1	0	1	2	0	0
1903	PIT	P	12	0	1	33	2	2
1904	BSN	P	39	36	10	90	7	3
1905	BSN	OF	4	3	7	0	1	0
1905	BSN	P	34	28	16	77	5	2
1908	BRO	P	42	36	17	109	6	3
1909	BRO	P	22	17	3	56	6	0
1910	BRO	P	15	5	2	24	1	0
1914	BLF	P	47	0	14	82	4	1
1915	BLF	P	1	0	0	0	0	0
1921	PHI	P	4	0	1	1	0	0