Don Hopkins has the most career runs per at-bat, with 4.17.

Interpreted as:

most runs/ab by a player

	NAME	R/AB	R	AB	G	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Don Hopkins D. Hopkins	4.17	25	6	85	1	0	0	0	0	2	0	0	21	10	8	1	0	0	0	0	0	.167	.375	.167	.542	1	-0.2	.294	86	-0.1
2	Jack Morris J. Morris	4	4	1	22	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.3	.000	-114	-0.3
3	Rick Waits R. Waits	4	4	1	13	0	0	0	0	0	0	0	1	0	1	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.2	.000	-111	-0.3
4	Gene Nelson G. Nelson	3	3	1	10	0	0	0	0	0	0	0	0	1	0	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.2	.000	-116	-0.3
5	Roy Gleason R. Gleason	3	3	1	8	1	1	0	0	0	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	2.000	3.000	1	0.7	1.298	786	0.7
6	Don Eaddy D. Eaddy	3	3	1	15	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.3	.000	-108	-0.3
7	Rico Noel R. Noel	2.5	5	2	15	1	0	0	0	0	0	0	0	5	2	2	1	0	0	0	0	0	.500	.500	.500	1.000	0	0.2	.440	184	0.2
8	Rod Lindsey R. Lindsey	2	6	3	11	1	1	0	0	0	0	1	1	2	1	5	2	1	1	0	0	0	.333	.500	.667	1.167	1	0.7	.499	201	0.7
9	Barney White B. White	2	2	1	4	0	0	0	0	0	1	0	1	0		2	0	0	0			0	.000	.500	.000	.500	0	0.1	.369	113	0
10	John Mohardt J. Mohardt	2	2	1	5	1	0	0	0	0	1	0	0	0	1	2	1	0	0				1.000	1.000	1.000	2.000	1	0.8	.841	395	0.8
11	Yefri Perez Y. Perez	1.67	5	3	12	2	1	0	0	0	0	0	1	4	2	3	3	1	0	0	0	0	.667	.667	1.000	1.667	1	1	.707	361	1
12	Allan Lewis A. Lewis	1.62	47	29	156	6	1	0	1	3	1	0	4	44	17	31	10	2	1	0	0	0	.207	.233	.345	.578	2	-0.9	.259	69	-1
13	Tack Wilson T. Wilson	1.5	9	6	12	2	1	0	0	1	1	0	0	0	0	8	3	1	1	0	0	0	.333	.429	.500	.929	2	0.7	.413	164	0.7
14	Gary Cooper G. Cooper	1.5	3	2	21	0	0	0	0	0	0	0	1	2	1	2	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.5	.000	-126	-0.5
15	Alberto Lois A. Lois	1.5	6	4	14	1	0	1	0	0	0	0	1	1	1	4	3	1	0	0	0	0	.250	.250	.750	1.000	1	0.3	.417	163	0.3
16	Mack Burk M. Burk	1.5	3	2	16	1	0	0	0	0	0	0	1	0	0	2	1	0	0	0	0	0	.500	.500	.500	1.000	0	0.2	.454	186	0.2
17	Don Nicholas D. Nicholas	1.5	3	2	10	0	0	0	0	0	1	0	0	0	1	3	0	0	0	0		0	.000	.333	.000	.333	0	-0.2	.241	44	-0.2
18	Gowell Claset G. Claset	1.5	3	2	8	1	0	0	0	1	3	0	1	0	0	5	1	0	0				.500	.800	.500	1.300	2	1.1	.626	256	1
19	Mike Dimmel M. Dimmel	1.38	11	8	39	1	0	0	0	0	0	0	1	1	2	9	1	0	1	0	0	0	.125	.125	.125	.250	-1	-1.6	.113	-47	-1.6
20	John Paciorek J. Paciorek	1.33	4	3	1	3	0	0	0	3	2	0	0	0	0	5	3	0	0	0	0	0	1.000	1.000	1.000	2.000	2	1.9	.812	450	1.9
21	Johnny Davis J. Davis	1.25	5	4	8	1	0	1	0	0	0	0	2	0	0	4	3	1	0	0	0	0	.250	.250	.750	1.000	1	0.2	.382	146	0.2
22	Rusty McNealy R. McNealy	1.25	5	4	15	0	0	0	0	0	0	0	0	0	1	4	0	0	0	0	0	0	.000	.000	.000	.000	-1	-1	.000	-109	-1
23	Sandy Piez S. Piez	1.13	9	8	37	3	0	1	0	3	0	0	1	4		8	5	1	0				.375	.375	.625	1.000	2	0.8	.463	188	0.8
24	Darrell Woodard D. Woodard	1.11	10	9	33	0	0	0	0	0	1	0	1	3	4	10	0	0	0	0	0	0	.000	.100	.000	.100	-1	-1.9	.071	-66	-1.9
25	Ryne Nelson R. Nelson	1	1	1	1	1	0	0	0	1	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	1.000	2.000	1	0.5	.882	489	0.5