All-Time MLB Pitcher Range Factor Leaders

Nick Altrock is the all-time MLB leader in pitcher range factor with 3.56, 0.10 clear of Addie Joss (3.46). He did it in 16 seasons, from 1898 to 1924. The top ten runs from 3.56 down to 2.97.

Career rate stats are limited to players with 1,000+ games at the position, the usual bar for all-time rate leaderboards. That is a raw total rather than a share of the schedule, so it falls unevenly across eras. Negro League seasons ran roughly 25 to 70 games against 154 or more in the American and National Leagues, and exactly one Negro League fielder reaches 1,000 games at a single position. The outfield is also one position here rather than three: the source splits left, centre and right into a file this site does not load, so an outfield board mixes the three corners together. Show all players

All-time MLB leader Nick Altrock 1898–1924 · 16 seasons

3.56 Pitcher Range Factor 0.10 clear of Addie Joss

Showing Pitcher Range Factor and the stats that give it context Full stat line

#	Player	Seasons	P RF	G	PO	A	E
1	Nick Altrock	1898–1924 (16)	3.56	218	167	610	29
2	Addie Joss	1902–1910 (9)	3.46	286	144	846	36
3	Harry Howell	1898–1910 (13)	3.45	340	209	965	51
4	Ed Walsh	1904–1917 (14)	3.35	430	233	1,207	56
5	Jimmy Callahan	1894–1903 (8)	3.25	195	127	506	43
6	Frank Owen	1901–1909 (8)	3.19	194	92	527	14
7	Patsy Flaherty	1899–1911 (9)	3.16	173	89	458	47
8	WS Willie Sudhoff	1897–1906 (10)	3.12	278	106	762	56
9	George Mullin	1902–1915 (14)	3.03	487	229	1,244	82
10	Barney Pelty	1903–1912 (10)	2.97	266	130	659	52
11	Ned Garvin	1896–1904 (7)	2.93	181	55	476	42
12	FC Frank Corridon	1904–1910 (6)	2.92	180	72	453	33
13	Chick Fraser	1896–1909 (14)	2.89	434	317	939	94
14	Cy Seymour	1896–1902 (6)	2.85	141	63	339	66
15	Doc White	1901–1913 (13)	2.82	427	236	966	51
16	Red Donahue	1893–1906 (13)	2.81	367	127	903	51
17	Christy Mathewson	1900–1916 (17)	2.81	636	281	1,503	53
18	Ed Willett	1906–1915 (10)	2.80	274	72	695	41
19	Jack Taylor	1898–1907 (10)	2.79	311	129	738	43
20	Bill Bernhard	1899–1907 (9)	2.78	231	83	560	34
21	Jay Hughes	1898–1902 (4)	2.78	134	86	287	28
22	FG Fred Glade	1902–1908 (6)	2.77	132	37	329	24
23	Roy Patterson	1901–1907 (7)	2.76	184	75	432	23
24	Babe Ruth	1914–1933 (10)	2.76	163	95	354	15
25	Jake Weimer	1903–1909 (7)	2.74	191	122	402	32
26	Vic Willis	1898–1910 (13)	2.72	513	271	1,124	67
27	Bob Rhoads	1902–1909 (8)	2.71	218	81	509	26
28	BP Bill Phillips	1890–1903 (7)	2.70	176	82	393	38
29	Frank Smith	1904–1915 (11)	2.68	354	167	782	37
30	Carl Mays	1915–1929 (15)	2.68	490	174	1,138	44
31	Bill Hart	1886–1901 (8)	2.68	206	90	461	46
32	Tommy Bond	1874–1884 (10)	2.67	417	218	896	109
33	Cy Morgan	1903–1913 (10)	2.67	210	53	508	33
34	Ed Doheny	1895–1903 (9)	2.66	184	72	417	72
35	George Winter	1901–1908 (8)	2.66	220	94	490	46
36	JT Jesse Tannehill	1894–1911 (15)	2.65	359	110	840	47
37	Casey Patten	1901–1908 (8)	2.64	270	146	568	54
38	RC Rube Curry	1920–1928 (9)	2.62	196	66	447	26
39	Scott Stratton	1888–1895 (8)	2.62	231	120	484	40
40	Bill Duggleby	1898–1907 (8)	2.61	241	86	543	43
41	John Menefee	1892–1903 (9)	2.59	139	77	283	32
42	John Clarkson	1882–1894 (12)	2.57	531	221	1,143	162
43	SW Sam Weaver	1875–1886 (6)	2.57	153	81	312	39
44	Al Orth	1895–1909 (15)	2.57	440	172	957	83
45	Harry Coveleski	1907–1918 (9)	2.56	198	46	461	28
46	Bert Cunningham	1887–1901 (12)	2.55	342	197	676	111
47	Joe Lake	1908–1913 (6)	2.55	199	42	466	45
48	Guy Hecker	1882–1890 (9)	2.55	336	216	639	60
49	John Ward	1878–1884 (7)	2.54	293	169	574	54
50	Dick Rudolph	1910–1927 (13)	2.52	279	79	624	22

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