Connor Overton, John Kull and William McCarthy are tied for the most career RBIs per plate appearance, with 2.

Interpreted as:

MLB most rbi/pa by a player

	NAME	RBI/PA	RBI	PA	G	AB	R	H	2B	3B	HR	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Connor Overton C. Overton	2	2	1	6	1	1	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	1.000	2.000	1	0.5	.879	461	0.5
2	John Kull J. Kull	2	2	1	1	1	0	1	0	0	0	0	0	0	0		1	0	0				1.000	1.000	1.000	2.000	1	0.4	.970	520	0.4
3	William McCarthy W. McCarthy	2	2	1	1	1	0	0	0	0	0	0	0	0	0		0	0	0				.000	.000	.000	.000	0	-0.2	.000	-96	-0.2
4	Mark Worrell M. Worrell	1.5	3	2	4	2	1	1	0	0	1	0	0	0	0	0	4	1	0	0	0	0	.500	.500	2.000	2.500	1	1.1	1.012	548	1.1
5	Frank O'Connor F. O'Connor	1.5	3	2	3	2	1	2	0	0	1	0	0	0	0		5	1					1.000	1.000	2.500	3.500	2	1.9	1.453	671	1.9
6	Daniel Camarena D. Camarena	1.33	4	3	6	3	1	1	0	0	1	0	0	2	0	0	4	1	0	0	0	0	.333	.333	1.333	1.667	1	0.9	.669	331	0.9
7	Kramer Robertson K. Robertson	1	1	1	2	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.2	.000	-110	-0.2
8	Ryne Nelson R. Nelson	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	1.000	2.000	1	0.5	.883	488	0.5
9	Scott Effross S. Effross	1	1	1	13	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0		.000			0	-0.3	.000	-108	-0.3
10	José Castillo J. Castillo	1	1	1	36	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.3	.000	-112	-0.3
11	Jen-Ho Tseng J. Tseng	1	1	1	3	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.3	.000	-116	-0.3
12	Branden Pinder B. Pinder	1	1	1	2	1	0	1	1	0	0	0	0	0	0	0	2	1	0	0	0	0	1.000	1.000	2.000	3.000	1	0.8	1.256	747	0.7
13	Will Smith W. Smith	1	2	2	227	1	0	1	0	0	0	0	0	0	0	0	1	0	1	0	0	0	1.000	1.000	1.000	2.000	1	1	.870	459	0.9
14	Jeremy Horst J. Horst	1	1	1	12	1	0	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	1.000	2.000	1	0.5	.890	490	0.5
15	Eric Cammack E. Cammack	1	1	1	8	1	0	1	0	1	0	0	0	0	0	0	3	1	0	0	0	0	1.000	1.000	3.000	4.000	1	1.1	1.554	877	1.1
16	Gary Wayne G. Wayne	1	2	2	84	2	0	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	.500	.500	.500	1.000	0	0.2	.453	174	0.2
17	Brett Gideon B. Gideon	1	2	2	29	1	0	1	0	0	0	0	1	0	0	0	1	0	0	0	0	0	1.000	1.000	1.000	2.000	1	0.8	.816	419	0.8
18	Mike Rowland M. Rowland	1	1	1	9	1	0	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	1.000	2.000	1	0.4	.917	504	0.4
19	Dave Sells D. Sells	1	1	1	5	1	0	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	1.000	2.000	1	0.5	.922	492	0.5
20	Cecil Perkins C. Perkins	1	1	1	2	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.2	.000	-106	-0.2
21	Steve Biras S. Biras	1	2	2	2	2	0	2	0	0	0	0	0	0	0	0	2	0	0			0	1.000	1.000	1.000	2.000	1	0.9	.943	496	0.9
22	Les Rock L. Rock	1	1	1	2	1	0	0	0	0	0	0	0	0	0	0	0	0	0				.000	.000	.000	.000	0	-0.3	.000	-106	-0.3
23	Jim McLaughlin J. McLaughlin	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0				.000	.000	.000	.000	0	-0.3	.000	-112	-0.3
24	Charlie Caldwell C. Caldwell	1	1	1	3	1	0	0	0	0	0	0	0	0	0	0	0	0	0				.000	.000	.000	.000	0	-0.3	.000	-115	-0.3
25	Hoge Workman H. Workman	1	2	2	11	2	0	0	0	0	0	0	0	1	0	0	0	0	0				.000	.000	.000	.000	0	-0.6	.000	-114	-0.6