Shelby Miller lost the most games in 2015, with 17 games.

	NAME	L	SEASON	TM	W	L%	G	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Shelby Miller S. Miller	17	2015	ATL	6	.739	33	.261	33	3.02	171	2	2	0	205.1	183	69	82	13	73	6	0	8	860	5	7.50	3.20	2.34	0.57	19.9	8.5	1.25	.285	3.59	78	3.44	91	8.02	7.3
2	Andrew Cashner A. Cashner	16	2015	SDP	6	.727	31	.273	31	4.34	165	0	0	0	184.2	200	89	111	19	66	6	0	2	804	3	8.04	3.22	2.50	0.93	20.5	8.2	1.44	.330	5.41	117	3.85	101	9.75	-1.2
3	Corey Kluber C. Kluber	16	2015	CLE	9	.640	32	.360	32	3.49	245	4	0	0	222.0	189	86	92	22	45	11	0	3	886	6	9.93	1.82	5.44	0.89	27.7	5.1	1.05	.297	3.73	85	2.96	73	7.66	26.4
4	Jesse Chavez J. Chavez	15	2015	OAK	7	.682	30	.318	26	4.18	136	0	0	1	157.0	164	73	78	18	48	2	3	2	672	3	7.80	2.75	2.83	1.03	20.2	7.1	1.35	.312	4.47	107	3.84	97	9.40	1.9
5	John Danks J. Danks	15	2015	CWS	7	.682	30	.318	30	4.71	124	2	1	0	177.2	195	93	104	24	56	3	0	1	768	8	6.28	2.84	2.21	1.22	16.1	7.3	1.41	.305	5.27	119	4.48	109	9.88	-7
6	Aaron Harang A. Harang	15	2015	PHI	6	.714	29	.286	29	4.86	108	0	0	0	172.1	189	93	100	26	51	6	0	3	748	4	5.64	2.66	2.12	1.36	14.4	6.8	1.39	.293	5.22	124	4.83	121	9.87	-15.4
7	Ian Kennedy I. Kennedy	15	2015	SDP	9	.625	30	.375	30	4.28	174	0	0	0	168.1	166	80	95	31	52	7	0	4	713	5	9.30	2.78	3.35	1.66	24.4	7.3	1.30	.301	5.08	115	4.50	119	8.88	-13.6
8	Rick Porcello R. Porcello	15	2015	BOS	9	.625	28	.375	28	4.92	149	0	0	0	172.0	196	94	103	25	38	10	0	0	737	12	7.80	1.99	3.92	1.31	20.2	5.2	1.36	.332	5.39	118	4.12	104	10.26	-3.4
9	Matt Garza M. Garza	14	2015	MIL	6	.700	26	.300	25	5.63	104	0	0	0	148.2	176	93	102	23	57	2	1	3	666	7	6.30	3.45	1.82	1.39	15.6	8.6	1.57	.319	6.17	141	4.93	124	10.65	-14.9
10	Tom Koehler T. Koehler	14	2015	MIA	11	.560	32	.440	31	4.08	137	0	0	0	187.1	180	85	96	22	77	6	0	3	800	2	6.58	3.70	1.78	1.06	17.1	9.6	1.37	.283	4.61	108	4.52	120	8.65	-16.5
11	Chris Archer C. Archer	13	2015	TBR	12	.520	34	.480	34	3.23	252	1	1	0	212.0	175	76	85	19	66	3	0	0	868	13	10.70	2.80	3.82	0.81	29.0	7.6	1.14	.295	3.61	83	2.89	73	7.43	25.4
12	Bartolo Colon B. Colon	13	2015	NYM	14	.481	33	.519	31	4.16	136	1	1	0	194.2	217	90	94	25	24	4	1	5	815	0	6.29	1.11	5.67	1.16	16.7	2.9	1.24	.307	4.35	112	3.83	99	10.03	1
13	Johnny Cueto J. Cueto	13	2015	TOT	11	.542	32	.458	32	3.44	176	2	2	0	212.0	194	81	87	21	46	8	0	1	866	0	7.47	1.95	3.83	0.89	20.3	5.3	1.13	.281	3.69	86	3.52	89	8.24	10
14	Anthony DeSclafani A. DeSclafani	13	2015	CIN	9	.591	31	.409	31	4.05	151	0	0	0	184.2	194	83	93	17	55	5	0	5	785	6	7.36	2.68	2.75	0.83	19.2	7.0	1.35	.318	4.53	103	3.66	93	9.45	6
15	Kyle Kendrick K. Kendrick	13	2015	COL	7	.650	27	.350	27	6.32	80	0	0	0	142.1	172	100	102	33	45	7	0	2	629	4	5.06	2.85	1.78	2.09	12.7	7.2	1.52	.300	6.45	140	6.11	147	10.88	-28.7
16	Kyle Lohse K. Lohse	13	2015	MIL	5	.722	37	.278	22	5.85	108	0	0	2	152.1	180	99	99	29	43	4	5	3	665	5	6.38	2.54	2.51	1.71	16.2	6.5	1.46	.314	5.85	147	5.11	128	10.63	-18.2
17	Jimmy Nelson J. Nelson	13	2015	MIL	11	.542	30	.458	30	4.11	148	0	0	0	177.1	163	81	89	18	65	13	0	4	752	11	7.51	3.30	2.28	0.91	19.7	8.6	1.29	.285	4.52	103	4.10	103	8.27	-1.8
18	Jeff Samardzija J. Samardzija	13	2015	CWS	11	.542	32	.458	32	4.96	163	2	2	0	214.0	228	118	122	29	49	12	0	0	910	5	6.86	2.06	3.33	1.22	17.9	5.4	1.29	.303	5.13	125	4.22	103	9.59	-2.3
19	Trevor Bauer T. Bauer	12	2015	CLE	11	.522	31	.478	30	4.55	170	1	0	0	176.0	152	89	90	23	79	5	1	1	744	7	8.69	4.04	2.15	1.18	22.8	10.6	1.31	.276	4.60	111	4.33	107	7.77	-5.7
20	Carlos Carrasco C. Carrasco	12	2015	CLE	14	.462	30	.538	30	3.63	216	3	1	0	183.2	154	74	75	18	43	5	0	2	730	5	10.58	2.11	5.02	0.88	29.6	5.9	1.07	.304	3.68	89	2.83	70	7.55	24.5
21	Miguel Gonzalez M. Gonzalez	12	2015	BAL	9	.571	26	.429	26	4.91	109	0	0	0	144.2	151	79	81	24	51	8	0	2	622	4	6.78	3.17	2.14	1.49	17.5	8.2	1.40	.295	5.04	121	5.00	120	9.39	-13
22	Jeremy Hellickson J. Hellickson	12	2015	ARI	9	.571	27	.429	27	4.62	121	0	0	0	146.0	151	75	79	22	43	6	0	3	636	5	7.46	2.65	2.81	1.36	19.0	6.8	1.33	.291	4.87	113	4.43	113	9.31	-8.3
23	Jon Lester J. Lester	12	2015	CHC	11	.522	32	.478	32	3.34	207	1	0	0	205.0	183	76	83	16	47	7	0	0	828	8	9.09	2.06	4.40	0.70	25.0	5.7	1.12	.303	3.64	85	2.91	75	8.03	21.9
24	Robbie Ray R. Ray	12	2015	ARI	5	.706	23	.294	23	3.52	119	0	0	0	127.2	121	50	56	9	49	8	0	3	545	2	8.39	3.45	2.43	0.63	21.8	9.0	1.33	.311	3.95	86	3.52	90	8.53	5.6
25	Garrett Richards G. Richards	12	2015	LAA	15	.444	32	.556	32	3.65	176	1	1	0	207.1	181	84	94	20	76	5	0	2	865	17	7.64	3.30	2.32	0.87	20.3	8.8	1.24	.274	4.08	94	3.86	97	7.86	2.2