Eddy Rodriguez has the most career home runs per game, with 0.5.

Interpreted as:

highest average home run per game by a player perfentage

	NAME	HR/G	HR	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Eddy Rodriguez E. Rodriguez	0.5	1	2	5	1	1	0	0	1	2	0	3	0	0	7	4	1	0	0	0	0	.200	.429	.800	1.229	2	1	.491	222	1
2	Keith McDonald K. McDonald	0.38	3	8	9	3	3	0	0	5	2	0	2	0	0	11	12	3	0	0	0	1	.333	.455	1.333	1.788	5	3.1	.662	304	3.1
3	Joe Dunand J. Dunand	0.33	1	3	10	2	3	1	0	1	0	1	3	0	0	11	7	2	0	0	0	0	.300	.364	.700	1.064	2	1.2	.449	194	1.2
4	Chad Santos C. Santos	0.33	1	3	7	2	3	0	0	2	1	0	2	0	0	8	6	1	0	0	0	0	.429	.500	.857	1.357	3	1.5	.557	242	1.5
5	Ray Sadler R. Sadler	0.33	1	3	8	1	2	0	0	1	0	0	1	0	0	8	5	1	0	0	0	0	.250	.250	.625	.875	1	0.2	.363	121	0.2
6	Jeff Bittiger J. Bittiger	0.33	1	3	3	1	1	0	0	1	0	0	1	0	0	4	4	1	1	0	0	0	.333	.333	1.333	1.667	2	1.2	.698	353	1.2
7	Bill Southworth B. Southworth	0.33	1	3	7	2	2	0	0	2	0	2	3	0	0	9	5	1	0	0	0	0	.286	.444	.714	1.159	2	1.3	.500	226	1.3
8	Mahlon Higbee M. Higbee	0.33	1	3	10	2	4	0	0	5	0	0	2	0	0	11	7	1	1				.400	.400	.700	1.100	3	1.3	.489	180	1.2
9	Tom Sullivan T. Sullivan	0.33	1	3	4	1	1	0	0	2	0	0	1	0	0	4	4	1	0				.250	.250	1.000	1.250	1	0.6	.519	184	0.5
10	Luke Stuart L. Stuart	0.33	1	3	3	2	1	0	0	2	0	0	1	0	0	3	4	1	0				.333	.333	1.333	1.667	1	0.8	.692	290	0.8
11	Frank O'Connor F. O'Connor	0.33	1	3	2	1	2	0	0	3	0	0	0	0		2	5	1					1.000	1.000	2.500	3.500	2	1.9	1.453	671	1.9
12	Hercules Burnett H. Burnett	0.33	2	6	21	7	7	0	1	3	3	0	2	3		25	15	3	1				.333	.417	.714	1.131	7	3.2	.480	171	3.2
13	George Crosby G. Crosby	0.33	1	3	13	1	4	0	0	1	0		1			13	7	1					.308		.538		3	1	.373	134	0.7
14	Aaron Judge A. Judge	0.32	343	1,075	3,869	806	1,134	192	7	779	748	36	1,302	59	19	4,680	2,369	542	0	27	86	109	.293	.410	.612	1.022	977	418.5	.424	177	422.6
15	Mark McGwire M. McGwire	0.31	583	1,874	6,187	1,167	1,626	252	6	1,414	1,317	75	1,596	12	8	7,660	3,639	841	3	78	150	147	.263	.394	.588	.982	1480	564.9	.415	157	558.2
16	Brian McCall B. McCall	0.29	2	7	15	3	3	0	0	3	1	0	4	0	0	16	9	2	0	0	0	0	.200	.250	.600	.850	2	0.7	.361	124	0.6
17	Buddy Gilbert B. Gilbert	0.29	2	7	20	4	3	0	0	2	3	0	4	0	0	23	9	2	0	0	0	0	.150	.261	.450	.711	3	-0.1	.314	84	-0.5
18	Babe Ruth B. Ruth	0.29	714	2,503	8,399	2,174	2,873	506	136	2,214	2,062	43	1,330	123		10,617	5,793	1,356	113				.342	.474	.690	1.164	2727	1,436.8	.513	197	1,369.6
19	Shohei Ohtani S. Ohtani	0.27	254	942	3,442	644	972	179	43	621	484	25	1,014	156	41	3,971	1,999	476	0	20	78	44	.282	.373	.581	.954	739	265.3	.396	155	260.4
20	Nick Kurtz N. Kurtz	0.27	12	45	160	21	41	5	1	31	16	0	58	0	1	179	84	18	0	3	1	3	.256	.318	.525	.843	27	6.1	.357	131	6.4
21	Pete Alonso P. Alonso	0.26	244	930	3,455	540	874	166	8	651	395	96	907	18	4	3,974	1,788	418	0	28	44	97	.253	.343	.518	.861	632	155.3	.362	134	165.7
22	Sammy Sosa S. Sosa	0.26	609	2,354	8,813	1,475	2,408	379	45	1,667	929	59	2,306	234	107	9,896	4,704	1,033	17	78	154	202	.273	.344	.534	.878	1559	345.1	.370	124	307.3
23	Giancarlo Stanton G. Stanton	0.26	429	1,659	6,059	908	1,559	306	11	1,105	780	53	1,974	42	15	6,931	3,174	746	0	39	88	154	.257	.345	.524	.869	1096	293.5	.368	135	287.6
24	Juan Gonzalez J. Gonzalez	0.26	434	1,689	6,556	1,061	1,936	388	25	1,404	457	62	1,273	26	19	7,155	3,676	847	2	78	74	184	.295	.343	.561	.904	1190	314.6	.383	129	264.9
25	Barry Bonds B. Bonds	0.26	762	2,986	9,847	2,227	2,935	601	77	1,996	2,558	106	1,539	514	141	12,606	5,976	1,440	4	91	688	165	.298	.444	.607	1.051	2663	1,143.3	.435	172	1,142