Steven Hill has the most career home runs per game by a catcher, with 1.

Interpreted as:

most homers per game average by catcher

	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	Steven Hill S. Hill	1	1	1	3	1	1	0	0	1	0	0	1	0	0	3	4	1	0	0	0	0	.333	.333	1.333	1.667	1	0.9	.691	345	0.9
2	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
3	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
4	Rudy York R. York	0.26	88	344	1,173	224	355	61	6	295	175	4	179	9		1,357	692	155	5			8	.303	.395	.590	.985	273	103.1	.437	136	71
5	Cal Raleigh C. Raleigh	0.25	153	623	2,164	313	489	95	2	376	266	19	696	21	5	2,465	1,047	250	0	16	22	27	.226	.314	.484	.798	343	51.5	.339	125	71.2
6	Mike Piazza M. Piazza	0.23	399	1,700	6,147	968	1,921	306	7	1,237	673	28	974	17	20	6,888	3,438	712	0	40	132	206	.313	.381	.559	.940	1238	379.9	.397	145	399.8
7	Gary Sánchez G. Sánchez	0.23	178	768	2,680	387	603	113	2	472	285	49	811	6	2	3,031	1,254	293	0	17	9	64	.225	.309	.468	.777	400	35.1	.330	109	35.7
8	Hunter Goodman H. Goodman	0.22	31	144	540	73	150	28	5	91	33	4	152	1	2	579	281	64	0	2	0	16	.278	.323	.520	.843	90	21.5	.359	118	12.4
9	Shea Langeliers S. Langeliers	0.21	82	395	1,411	183	333	69	6	215	111	11	391	14	5	1,547	660	157	1	13	5	35	.236	.294	.468	.762	196	12.3	.324	111	19.7
10	Mike Napoli M. Napoli	0.2	120	587	1,817	311	479	89	5	312	273	32	536	22	13	2,143	938	214	2	19	15	35	.264	.366	.516	.882	349	94.6	.379	132	82.6
11	Ryan Jorgensen R. Jorgensen	0.2	2	10	20	3	3	0	0	6	0	0	8	0	0	20	9	2	0	0	0	0	.150	.150	.450	.600	1	-1.4	.245	37	-1.6
12	Roy Campanella R. Campanella	0.2	242	1,215	4,205	627	1,161	178	18	856	533	30	501	25	15	4,816	2,101	438	30	18	30	143	.276	.360	.500	.860	755	193.4	.385	123	142.6
13	Johnny Bench J. Bench	0.19	356	1,877	6,771	1,001	1,811	342	22	1,259	813	19	1,161	67	38	7,700	3,265	720	9	88	129	170	.267	.344	.482	.826	1115	288.8	.365	128	243.8
14	Wilin Rosario W. Rosario	0.18	65	360	1,281	182	351	69	2	212	65	2	298	9	6	1,359	619	136	0	11	7	35	.274	.308	.483	.791	179	28.4	.340	98	-3.1
15	Javy Lopez J. Lopez	0.18	252	1,409	4,977	638	1,441	247	18	829	337	64	893	8	19	5,429	2,480	517	6	45	43	162	.290	.340	.498	.838	796	118.3	.358	115	104.2
16	Salvador Perez S. Perez	0.18	303	1,707	6,477	710	1,712	320	11	1,016	271	96	1,303	6	1	6,897	2,963	634	0	53	43	196	.264	.301	.457	.759	852	49.1	.323	102	17.3
17	Will Smith W. Smith	0.18	128	722	2,508	413	661	128	10	442	330	64	554	12	4	2,946	1,193	266	0	44	19	50	.264	.358	.476	.834	455	103.2	.357	129	103.3
18	Evan Gattis E. Gattis	0.18	34	192	669	82	176	39	1	107	40	12	147	0	1	726	319	74	0	5	3	19	.263	.314	.477	.791	97	14.1	.340	116	13.3
19	J.P. Arencibia	0.17	80	466	1,573	169	333	67	4	245	85	17	484	2	3	1,687	648	151	1	11	4	25	.212	.258	.412	.670	156	-31.6	.290	78	-41.7
20	Earl Williams E. Williams	0.17	114	668	2,308	276	573	85	6	364	243	24	449	0	5	2,609	1,012	205	9	25	26	67	.248	.323	.438	.762	331	59.2	.344	113	36.6
21	Logan O'Hoppe L. O'Hoppe	0.17	53	311	1,098	123	254	31	2	130	73	12	345	4	5	1,188	448	86	2	3	0	23	.231	.286	.408	.694	129	-11.1	.301	91	-12
22	Todd Hundley T. Hundley	0.17	199	1,172	3,645	487	863	163	7	587	437	33	933	13	10	4,163	1,637	369	18	30	63	71	.237	.322	.449	.771	519	4.8	.331	101	10.5
23	Chris Hoiles C. Hoiles	0.17	151	894	2,820	415	739	122	2	449	435	44	616	5	7	3,338	1,318	275	11	28	17	65	.262	.366	.467	.833	511	107.2	.368	122	89.9
24	Yogi Berra Y. Berra	0.17	336	2,001	7,160	1,113	2,043	310	49	1,369	669	50	386	28	19	7,927	3,459	695	9	39	45	139	.285	.349	.483	.832	1173	257.6	.371	124	238.4
25	Mike Zunino M. Zunino	0.17	149	892	2,798	326	557	121	5	372	219	60	1,088	2	4	3,098	1,135	275	8	13	1	54	.199	.271	.406	.676	305	-57.3	.293	87	-47.8