Jack Harper

Born: 4/2/1878 in Galloway, PA, USA

Died: 9/30/1950 in Jamestown, NY, USA

MLB Debut: 1899-09-18 | Final Game: 1906-06-06

Bats: R | Throws: R | Height: 6'0" | Weight: 178 lbs

Full name: Charles William Harper

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Biography

Jack Harper was a professional baseball pitcher whose career spanned from 1899 to 1906. Born in 1878, he made a significant impact during the early years of the 20th century, a time when baseball was transitioning from the deadball era into a more offensively minded game. Harper's career record stood at 80 wins and 64 losses, with a commendable earned run average (ERA) of 3.55, showcasing his ability to effectively manage opposing hitters. Throughout his playing days, Harper struck out 466 batters, demonstrating his prowess on the mound and his capacity to dominate in critical situations. Additionally, he recorded one save, highlighting his versatility and capability to close out games when needed. While he may not be as widely recognized as some of his contemporaries, Harper's contributions to the sport during a pivotal era in baseball history reflect the foundational skills and competitive spirit that characterized early professional pitchers. His legacy remains part of the fabric of the sport's evolution into the modern era.

Career Pitching Statistics

W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
80	64	158	148	115	10	1	1216.7	1198	480	25	438	466	3.55	0

Career ERA 3.55 vs. league average 3.11 across their career seasons — 14.3% 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
1899	CL4	NL	1	4	5	5	5	0	0	37.0	44	16	12	14	3.89	3.85 (-1%)	-562.5
1900	STL	NL	0	1	1	1	0	0	0	3.0	4	4	2	0	12.00	—	-
1901	STL	NL	23	13	39	37	28	1	0	308.7	294	124	99	128	3.62	3.49 (-4%)	-
1902	SLA	AL	15	11	29	26	20	2	0	222.3	224	102	81	74	4.13	3.17 (-30%)	-2923.3
1903	CIN	NL	8	9	17	15	13	0	0	135.0	143	65	70	45	4.33	3.10 (-40%)	-3308.6
1904	CIN	NL	23	9	35	35	31	6	0	293.7	262	75	85	125	2.30	2.66 (+13%)	340.4
1905	CIN	NL	9	13	26	23	15	1	1	179.3	189	77	69	70	3.86	2.82 (-37%)	-1673.6
1906	CIN	NL	1	4	5	5	3	0	0	36.7	38	17	20	10	4.17	2.68 (-56%)	-1210.6
1906	CHC	NL	0	0	1	1	0	0	0	1.0	0	0	0	0	0.00	—	-

Career Batting Statistics

G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
160	451	51	84	9	7	1	41	5	34	115	0.186	0.246	0.244	0.490	-1806.7

Career AVG .186 vs. league average .261 across their career seasons — 28.6% below league average.

Career OBP .246 vs. league average .318 across their career seasons — 22.6% below league average.

Career SLG .244 vs. league average .340 across their career seasons — 28.2% below league average.

Career OPS 0.490 vs. league average 0.658 across their career seasons — 25.5% below league average.

Season-by-Season Batting

Year	Team	Lg	G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1899	CL4	NL	5	11	2	2	0	0	0	1	0	4	1	0.182	—	—	—	—	0.0
1900	STL	NL	1	1	0	0	0	0	0	0	0	0	1	0.000	—	—	—	—	0.0
1901	STL	NL	39	116	13	20	1	1	1	10	1	10	31	0.172	.271 (-37%)	.326 (-23%)	.359 (-38%)	.686 (-31%)	-573.2
1902	SLA	AL	29	83	9	17	2	0	0	6	0	5	18	0.205	.266 (-23%)	.321 (-22%)	.343 (-33%)	.665 (-28%)	-361.5
1903	CIN	NL	19	56	7	14	2	2	0	9	1	2	12	0.250	.261 (-4%)	.316 (-13%)	.345 (+3%)	.662 (-4%)	-62.5
1904	CIN	NL	35	113	14	18	4	2	0	11	3	3	28	0.159	.246 (-35%)	.300 (-40%)	.321 (-28%)	.622 (-34%)	-609.1
1905	CIN	NL	26	60	5	10	0	2	0	2	0	7	22	0.167	.248 (-33%)	.307 (-17%)	.322 (-28%)	.629 (-23%)	-200.3
1906	CIN	NL	5	11	1	3	0	0	0	2	0	3	2	0.273	—	—	—	—	0.0
1906	CHC	NL	1	0	0	0	0	0	0	0	0	0	0	.000	—	—	—	—	0.0