How many home runs did Buster Posey have in 2018?

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52018 Regular Season

Buster Posey recorded 5 home runs in the 2018 regular season, 266th in the MLB.

• 10th-best of Buster Posey's 12 seasons on file; the high is 24 in 2012.
• Down 7 from 12 in 2017.
• 5% 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 Buster Posey have in 2018?, 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.
2009	SF	7	17	1	2	0	0	0	.118	.118	.118	.235
2010	SF	108	406	58	124	18	67	0	.305	.357	.505	.862
2011	SF	45	162	17	46	4	21	3	.284	.368	.389	.756
2012	SF	148	530	78	178	24	103	1	.336	.408	.549	.957
2013	SF	148	520	61	153	15	72	2	.294	.371	.450	.821
2014	SF	147	547	72	170	22	89	0	.311	.364	.490	.854
2015	SF	150	557	74	177	19	95	2	.318	.379	.470	.849
2016	SF	146	539	82	155	14	80	6	.288	.362	.434	.796
2017	SF	140	494	62	158	12	67	6	.320	.400	.462	.861
2018	SF	105	398	47	113	5	41	3	.284	.359	.382	.741
2019	SF	114	405	43	104	7	38	0	.257	.320	.368	.688
2021	SF	115	395	68	120	18	56	0	.304	.390	.499	.889

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