Madison Bumgarner had the lowest wRC+ by a Silver Slugger winner in 2015, with 104 wRC+.

Interpreted as:

lowest wrc+ by a silver slugger by a player in 2015

	NAME	WRC+	SS	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	BRAA
1	Madison Bumgarner M. Bumgarner	104	1	2015	SFG	34	77	9	19	2	0	5	9	3	0	27	0	0	81	36	7	1	0	0	1	.247	.275	.468	.743	9	0.3	.318	0.4
2	Brian McCann B. McCann	106	1	2015	NYY	135	465	68	108	15	1	26	94	52	11	97	0	0	535	203	42	0	7	3	7	.232	.320	.437	.756	66	5.8	.327	3.4
3	Xander Bogaerts X. Bogaerts	110	1	2015	BOS	156	613	84	196	35	3	7	81	32	3	101	10	2	654	258	45	3	3	1	16	.320	.355	.421	.776	87	12.9	.338	7.8
4	Brandon Crawford B. Crawford	113	1	2015	SFG	143	507	65	130	33	4	21	84	39	11	119	6	4	561	234	58	0	4	9	18	.256	.321	.462	.782	71	8.3	.332	8.5
5	Carlos Gonzalez C. Gonzalez	116	1	2015	COL	153	554	87	150	25	2	40	97	46	1	133	2	0	608	299	67	1	6	6	11	.271	.325	.540	.864	93	24.5	.364	11
6	Dee Gordon D. Gordon	116	1	2015	MIA	145	615	88	205	24	8	4	46	25	2	91	58	20	653	257	36	6	5	2	6	.333	.359	.418	.776	86	12.3	.337	11.9
7	Nolan Arenado N. Arenado	121	1	2015	COL	157	616	97	177	43	4	42	130	34	4	110	2	5	665	354	89	0	11	13	17	.287	.323	.575	.898	106	30.8	.371	16.1
8	Jose Altuve J. Altuve	124	1	2015	HOU	154	638	86	200	40	4	15	66	33	9	67	38	13	689	293	59	3	6	8	17	.313	.353	.459	.812	96	18.7	.347	18.8
9	Kendrys Morales K. Morales	130	1	2015	KCR	158	569	81	165	41	2	22	106	58	8	103	0	0	639	276	65	0	4	4	24	.290	.362	.485	.847	98	25.9	.364	22.3
10	Buster Posey B. Posey	135	1	2015	SFG	150	557	74	177	28	0	19	95	56	3	52	2	0	623	262	47	0	7	10	17	.318	.379	.470	.849	95	24.9	.363	25.2
11	J.D. Martinez	136	1	2015	DET	158	596	93	168	33	2	38	102	53	5	178	3	2	657	319	73	0	3	7	11	.282	.344	.535	.879	105	31	.372	27.4
12	Andrew McCutchen A. McCutchen	144	1	2015	PIT	157	566	91	165	36	3	23	96	98	12	133	11	5	685	276	62	0	9	12	9	.292	.401	.488	.889	114	36.7	.380	35.5
13	Josh Donaldson J. Donaldson	154	1	2015	TOR	158	620	122	184	41	2	41	123	73	6	133	6	0	711	352	84	2	10	0	16	.297	.371	.568	.939	128	47.9	.398	44.8
14	Nelson Cruz N. Cruz	158	1	2015	SEA	152	590	90	178	22	1	44	93	59	5	164	3	2	655	334	67	0	1	9	6	.302	.369	.566	.936	117	43.3	.396	44.1
15	Paul Goldschmidt P. Goldschmidt	163	1	2015	ARI	159	567	103	182	38	2	33	110	118	2	151	21	5	694	323	73	0	7	29	16	.321	.435	.570	1.005	136	57.9	.418	51.1
16	Miguel Cabrera M. Cabrera	164	1	2015	DET	119	429	64	145	28	1	18	76	77	3	82	1	1	511	229	47	0	2	15	19	.338	.440	.534	.974	98	40.9	.413	38.1
17	Mike Trout M. Trout	170	1	2015	LAA	159	575	104	172	32	6	41	90	92	10	158	11	7	682	339	79	0	5	14	11	.299	.402	.590	.991	132	55.4	.415	55.5
18	Bryce Harper B. Harper	197	1	2015	WSH	153	521	118	172	38	1	42	99	124	5	131	6	4	654	338	81	0	4	15	15	.330	.460	.649	1.109	151	77.3	.461	73.9