Willie Stargell had his most RBIs in a game against the Cubs on May 22, 1968, with 7 RBIs.

Interpreted as:

most rbi by Willie Stargell in one regular-season game

	NAME	RBI	DATE	TM		OPP	AB	R	H	2B	3B	HR	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP
1	Willie Stargell W. Stargell	7	5/22/1968	PIT	@	CHC	5	4	5	1	0	3	0	0	0	1	0	5	15	4	0	0	0	0
2	Willie Stargell W. Stargell	6	6/9/1974	PIT	@	SFG	5	3	3	1	0	2	1	0	0	0	0	6	10	3	0	0	1	0
3	Willie Stargell W. Stargell	6	8/1/1970	PIT	@	ATL	6	5	5	3	0	2	0	0	0	0	0	6	14	5	0	0	0	0
4	Willie Stargell W. Stargell	6	6/24/1965	PIT	@	LAD	5	3	4	1	0	3	0	0	1	0	0	5	14	4	0	0	0	0
5	Willie Stargell W. Stargell	6	6/17/1963	PIT	@	MIL	5	2	3	0	0	2	0	0	1	0	0	5	9	2	0	0	0	0
6	Willie Stargell W. Stargell	5	6/13/1980	PIT	vs	HOU	4	2	4	1	0	2	0	0	0	0	0	4	11	3	0	0	0	0
7	Willie Stargell W. Stargell	5	5/20/1978	PIT	@	MON	4	2	2	0	0	2	0	0	1	0	0	4	8	2	0	0	0	0
8	Willie Stargell W. Stargell	5	6/10/1975	PIT	@	CIN	5	1	4	3	0	0	0	0	1	0	0	5	7	3	0	0	0	0
9	Willie Stargell W. Stargell	5	4/22/1973	PIT	@	CHC	4	3	3	0	0	2	1	0	0	0	0	5	9	2	0	0	1	0
10	Willie Stargell W. Stargell	5	8/6/1972	PIT	@	MON	2	2	2	0	0	2	2	0	0	0	0	4	8	2	0	0	1	0
11	Willie Stargell W. Stargell	5	6/7/1972	PIT	@	SDP	5	2	3	0	0	2	1	0	0	0	0	6	9	2	0	0	0	0
12	Willie Stargell W. Stargell	5	5/7/1972	PIT	@	CIN	4	2	2	0	0	2	1	0	1	0	0	5	8	2	0	0	1	0
13	Willie Stargell W. Stargell	5	7/31/1971	PIT	@	SFG	5	2	2	0	0	2	0	0	3	0	0	5	8	2	0	0	0	0
14	Willie Stargell W. Stargell	5	4/21/1971	PIT	vs	ATL	4	3	3	0	0	3	0	0	1	0	0	4	12	3	0	0	0	0
15	Willie Stargell W. Stargell	5	7/31/1965	PIT	vs	CHC	5	1	2	0	0	1	0	0	0	0	0	5	5	1	0	0	0	0
16	Willie Stargell W. Stargell	5	5/3/1964	PIT	@	STL	5	2	3	0	0	1	0	0	0	0	0	5	6	1	0	0	0	0
17	Willie Stargell W. Stargell	4	5/24/1980	PIT	vs	SFG	5	1	2	1	0	1	2	0	0	0	0	7	6	2	0	0	0	0
18	Willie Stargell W. Stargell	4	9/30/1978	PIT	vs	PHI	5	1	1	0	0	1	0	0	3	0	0	5	4	1	0	0	0	0
19	Willie Stargell W. Stargell	4	5/7/1977	PIT	vs	CIN	4	3	3	0	0	2	1	0	1	0	0	5	9	2	0	0	0	0
20	Willie Stargell W. Stargell	4	8/7/1976	PIT	vs	NYM	4	2	2	0	0	1	0	0	1	0	0	5	5	1	0	1	0	0
21	Willie Stargell W. Stargell	4	8/5/1976	PIT	vs	NYM	4	1	1	0	0	1	0	0	3	0	0	4	4	1	0	0	0	0
22	Willie Stargell W. Stargell	4	6/25/1976	PIT	@	MON	5	1	3	1	0	0	0	0	1	1	0	5	4	1	0	0	0	0
23	Willie Stargell W. Stargell	4	9/6/1975	PIT	@	MON	4	2	2	0	0	1	2	0	0	0	0	6	5	1	0	0	1	0
24	Willie Stargell W. Stargell	4	9/26/1974	PIT	@	NYM	4	2	2	0	0	1	1	0	1	0	0	5	5	1	0	0	1	0
25	Willie Stargell W. Stargell	4	9/17/1973	PIT	vs	NYM	4	2	4	2	1	1	0	0	0	0	0	4	11	4	0	0	0	0