How many home runs did Willie Mays have in 1966?

• 8th-best of Willie Mays' 22 seasons on file; the high is 52 in 1965.
• Down 15 from 52 in 1965.
• 21% of the San Francisco Giants' home runs that regular season.

Figures come from ESPN's box scores and were last read on September 22, 2026.

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How many home runs did Willie Mays have in 1966?, season by season

Season↓	Team↓	GP↓iGP: Games the player appeared in, however briefly.	AB↓iAB: At-bats: trips to the plate that ended in a hit, an out or an error. Walks and sacrifices are not counted.	R↓iR: Runs — scored by the batter, or allowed by the pitcher.	H↓iH: Times the batter reached base by hitting the ball, without help from an error.	HR↓iHR: Home runs hit.	RBI↓iRBI: Runs that scored because of this batter's plate appearance.	SB↓iSB: Bases taken while the pitcher was delivering. Being caught is counted separately.	AVG↓iAVG: Hits per at-bat. .300 is the traditional line between a good hitter and a great one.	OBP↓iOBP: Share of plate appearances that ended with the batter on base — hits, walks and hit-by-pitches.	SLG↓iSLG: Total bases per at-bat, so a home run counts four times a single.	OPS↓iOPS: On-base percentage plus slugging. Around .800 is All-Star level, .900 is MVP territory.
1951	SF	121	464	59	127	20	68	7	.274	.356	.472	.828
1952	SF	34	127	17	30	4	23	4	.236	.326	.409	.736
1954	SF	151	565	119	195	41	110	8	.345	.411	.667	1.078
1955	SF	152	580	123	185	51	127	24	.319	.400	.659	1.059
1956	SF	152	578	101	171	36	84	40	.296	.369	.557	.926
1957	SF	152	585	112	195	35	97	38	.333	.407	.626	1.033
1958	SF	152	600	121	208	29	96	31	.347	.419	.583	1.002
1959	SF	151	575	125	180	34	104	27	.313	.381	.583	.964
1960	SF	153	595	107	190	29	103	25	.319	.381	.555	.936
1961	SF	154	572	129	176	40	123	18	.308	.393	.584	.977
1962	SF	162	621	130	189	49	141	18	.304	.384	.615	.999
1963	SF	157	596	115	187	38	103	8	.314	.380	.582	.962
1964	SF	157	578	121	171	47	111	19	.296	.383	.607	.990
1965	SF	157	558	118	177	52	112	9	.317	.398	.645	1.043
1966	SF	152	552	99	159	37	103	5	.288	.368	.556	.924
1967	SF	141	486	83	128	22	70	6	.263	.334	.453	.787
1968	SF	148	498	84	144	23	79	12	.289	.372	.488	.860
1969	SF	117	403	64	114	13	58	6	.283	.362	.437	.798
1970	SF	139	478	94	139	28	83	5	.291	.390	.506	.897
1971	SF	136	417	82	113	18	61	23	.271	.425	.482	.907
1972	SF/NYM	88	244	35	61	8	22	4	.250	.400	.402	.802
1973	NYM	66	209	24	44	6	25	1	.211	.303	.344	.647

What the columns mean: AB · R · H · HR · RBI · SB · AVG · OBP · SLG · OPS