Todd Frazier has the lowest slugging percentage with 40+ home runs in a season, with a slugging percentage of .464 in 2016.

Interpreted as:

lowest slg by a player in a season with 40+ hr

	NAME	SLG	HR	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Todd Frazier T. Frazier	.464	40	2016	CWS	158	590	89	133	21	0	98	64	4	163	15	5	666	274	61	1	7	1	11	.225	.302	.767	83	4.2	.326	104	3.5
2	Adam Dunn A. Dunn	.468	41	2012	CWS	151	539	87	110	19	0	96	105	1	222	2	1	649	252	60	0	4	3	8	.204	.333	.800	90	16.2	.346	115	11.4
3	Kyle Schwarber K. Schwarber	.474	47	2023	PHI	160	585	108	115	19	1	104	126	6	215	0	2	720	277	67	0	3	5	4	.197	.343	.817	107	19	.350	120	17.5
4	Albert Pujols A. Pujols	.480	40	2015	LAA	157	602	85	147	22	0	95	50	6	72	5	3	661	289	62	0	3	10	15	.244	.307	.787	85	10.5	.333	114	10.6
5	Adam Dunn A. Dunn	.490	40	2006	CIN	160	561	99	131	24	0	92	112	6	194	7	0	683	275	64	1	3	12	8	.234	.365	.855	104	18.6	.363	115	13.3
6	Curtis Granderson C. Granderson	.492	43	2012	NYY	160	596	102	138	18	4	106	75	5	195	10	3	684	293	65	1	7	4	5	.232	.319	.811	95	16.8	.346	116	12.5
7	Joey Gallo J. Gallo	.498	40	2018	TEX	148	500	82	103	24	1	92	74	3	207	3	4	577	249	65	0	0	4	3	.206	.312	.810	81	13.4	.343	108	5.7
8	Chris Carter C. Carter	.499	41	2016	MIL	160	549	84	122	27	1	94	76	9	206	3	1	644	274	69	0	10	1	18	.222	.321	.821	91	14.9	.346	113	10.7
9	Pete Alonso P. Alonso	.504	46	2023	NYM	154	568	92	123	21	2	118	65	21	151	4	1	658	286	69	0	4	6	17	.217	.318	.821	95	14.9	.346	121	16.8
10	Kyle Schwarber K. Schwarber	.504	46	2022	PHI	155	577	100	126	21	3	94	86	4	200	10	1	669	291	70	0	2	3	10	.218	.323	.827	100	23.8	.355	129	22.6
11	Jay Buhner J. Buhner	.506	40	1997	SEA	157	540	104	131	18	2	109	119	5	175	0	0	665	273	60	0	1	3	23	.243	.383	.889	113	30.8	.388	133	27.8
12	Anthony Santander A. Santander	.506	44	2024	BAL	155	595	91	140	25	2	102	58	7	129	2	0	665	301	71	0	5	3	9	.235	.308	.814	97	18.7	.345	129	22
13	Carl Yastrzemski C. Yastrzemski	.507	40	1969	BOS	162	603	96	154	28	2	111	101	1	91	15	7	707	306	70	0	2	9	14	.255	.362	.870	115	38.9	.387	134	27.6
14	Rocky Colavito R. Colavito	.512	42	1959	CLE	154	588	90	151	24	0	111	71	2	86	3	3	664	301	66	0	3	8	13	.257	.337	.849	102	25.8	.368	130	23.8
15	Adam Dunn A. Dunn	.513	40	2008	TOT	158	517	79	122	23	0	100	122	7	164	2	1	651	265	63	0	5	13	7	.236	.386	.898	108	30.1	.384	129	23.9
16	Cecil Fielder C. Fielder	.513	44	1991	DET	162	624	102	163	25	0	133	78	6	151	0	0	712	320	69	0	4	12	17	.261	.347	.860	112	31.5	.375	132	26.9
17	David Justice D. Justice	.515	40	1993	ATL	157	585	90	158	15	4	120	78	3	90	3	5	670	301	59	0	4	12	9	.270	.357	.871	107	26.5	.376	126	21.4
18	Harmon Killebrew H. Killebrew	.516	42	1959	WSH	153	546	98	132	20	2	105	90	7	116	3	2	647	282	64	0	4	1	12	.242	.354	.870	106	31.9	.381	135	26.9
19	Ronald Acuña Jr. R. Acuña Jr.	.518	41	2019	ATL	156	626	127	175	22	2	101	76	9	188	37	9	712	324	65	0	1	4	8	.280	.365	.883	120	30.1	.369	126	24
20	Pete Alonso P. Alonso	.518	40	2022	NYM	160	597	95	162	27	0	131	67	12	128	5	1	685	309	67	0	9	16	17	.271	.352	.869	109	30.5	.366	142	33.1
21	Jose Canseco J. Canseco	.518	46	1998	TOR	151	583	98	138	26	0	107	65	6	159	29	17	658	302	72	0	4	5	7	.237	.318	.836	94	12.7	.354	110	8.9
22	Darrell Evans D. Evans	.519	40	1985	DET	151	505	81	125	17	0	94	85	1	85	0	4	594	262	57	1	2	12	5	.248	.356	.875	96	28.1	.378	137	26.4
23	Tony Batista T. Batista	.519	41	2000	TOR	154	620	96	163	32	2	114	35	6	121	5	4	664	322	75	0	3	1	15	.263	.307	.827	92	4.5	.348	100	-0.2
24	Jeff Burroughs J. Burroughs	.520	41	1977	ATL	154	579	91	157	19	1	114	86	0	126	4	1	671	301	61	0	6	2	8	.271	.362	.882	111	32.6	.385	127	22.2
25	Dick Stuart D. Stuart	.521	42	1963	BOS	157	612	81	160	25	4	118	44	1	144	0	0	659	319	71	1	1	2	24	.261	.312	.833	99	30.6	.366	126	19.8