Joe Saunders lost the most games in 2010, 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	Joe Saunders J. Saunders	17	2010	TOT	9	.654	33	.346	33	4.47	114	3	1	0	203.1	232	101	120	25	64	5	0	1	880	6	5.05	2.83	1.78	1.11	13.0	7.3	1.46	.308	5.31	110	4.57	112	10.27	-11.6
2	Rodrigo Lopez R. Lopez	16	2010	ARI	7	.696	33	.304	33	5.00	116	0	0	0	200.0	227	111	126	37	56	3	0	1	874	2	5.22	2.52	2.07	1.67	13.3	6.4	1.42	.287	5.67	117	5.20	129	10.22	-25.7
3	Kevin Millwood K. Millwood	16	2010	BAL	4	.800	31	.200	31	5.10	132	1	0	0	190.2	223	108	116	30	65	6	0	2	842	7	6.23	3.07	2.03	1.42	15.7	7.7	1.51	.317	5.48	120	4.85	112	10.53	-10.2
4	A.J. Burnett	15	2010	NYY	10	.600	33	.400	33	5.26	145	1	0	0	186.2	204	109	118	25	78	19	0	2	829	16	6.99	3.76	1.86	1.21	17.5	9.4	1.51	.319	5.69	123	4.82	111	9.84	-9.4
5	Zach Duke Z. Duke	15	2010	PIT	8	.652	29	.348	29	5.72	96	0	0	0	159.0	212	101	115	25	51	4	0	2	730	4	5.43	2.89	1.88	1.42	13.2	7.0	1.65	.338	6.51	147	4.95	126	12.00	-18.8
6	Scott Kazmir S. Kazmir	15	2010	LAA	9	.625	28	.375	28	5.94	93	0	0	0	150.0	158	99	103	25	79	12	0	2	682	6	5.58	4.74	1.18	1.50	13.6	11.6	1.58	.281	6.18	150	5.82	143	9.48	-29.6
7	Paul Maholm P. Maholm	15	2010	PIT	9	.625	32	.375	32	5.10	102	1	1	0	185.1	228	105	119	15	62	9	0	2	840	2	4.95	3.01	1.65	0.73	12.1	7.4	1.56	.327	5.78	131	4.17	107	11.07	-5.6
8	James Shields J. Shields	15	2010	TBR	13	.536	34	.464	33	5.18	187	0	0	0	203.1	246	117	128	34	51	5	0	2	899	13	8.28	2.26	3.67	1.50	20.8	5.7	1.46	.341	5.67	132	4.23	105	10.89	-4.7
9	Dallas Braden D. Braden	14	2010	OAK	11	.560	30	.440	30	3.50	113	5	2	0	192.2	180	75	83	17	43	5	0	0	781	2	5.28	2.01	2.63	0.79	14.5	5.5	1.16	.270	3.88	87	3.79	93	8.41	6.2
10	Doug Fister D. Fister	14	2010	SEA	6	.700	28	.300	28	4.11	93	0	0	0	171.0	187	78	85	13	32	6	0	2	720	8	4.89	1.68	2.91	0.68	12.9	4.4	1.28	.302	4.47	106	3.64	90	9.84	7.7
11	Zack Greinke Z. Greinke	14	2010	KCR	10	.583	33	.417	33	4.17	181	3	0	0	220.0	219	102	114	18	55	7	0	1	919	4	7.40	2.25	3.29	0.74	19.7	6.0	1.25	.305	4.66	100	3.34	81	8.96	19.4
12	Jeremy Guthrie J. Guthrie	14	2010	BAL	11	.560	32	.440	32	3.83	119	0	0	0	209.1	193	89	93	25	50	16	0	1	872	1	5.12	2.15	2.38	1.07	13.6	5.7	1.16	.254	4.00	90	4.43	102	8.30	-1.9
13	Roberto Hernandez R. Hernandez	14	2010	CLE	13	.519	33	.481	33	3.77	124	4	1	0	210.1	203	88	98	17	72	9	0	0	880	3	5.31	3.08	1.72	0.73	14.1	8.2	1.31	.283	4.19	94	4.10	100	8.69	-0.6
14	Randy Wells R. Wells	14	2010	CHC	8	.636	32	.364	32	4.26	144	0	0	0	194.1	209	92	97	19	63	6	0	5	843	2	6.67	2.92	2.29	0.88	17.1	7.5	1.40	.311	4.49	103	3.93	97	9.68	2.3
15	Barry Zito B. Zito	14	2010	SFG	9	.609	34	.391	33	4.15	150	1	0	0	199.1	184	92	97	20	84	7	1	7	848	7	6.77	3.79	1.79	0.90	17.7	9.9	1.34	.279	4.38	108	4.24	110	8.31	-8.7
16	Mark Buehrle M. Buehrle	13	2010	CWS	13	.500	33	.500	33	4.28	99	3	0	0	210.1	246	100	105	17	49	1	0	1	897	3	4.24	2.10	2.02	0.73	11.0	5.5	1.40	.313	4.49	98	3.89	89	10.53	11.1
17	Dave Bush D. Bush	13	2010	MIL	8	.619	32	.381	31	4.54	107	0	0	0	174.1	198	88	108	28	65	4	0	6	781	1	5.52	3.36	1.65	1.45	13.7	8.3	1.51	.295	5.58	113	5.12	126	10.22	-19.8
18	Gavin Floyd G. Floyd	13	2010	CWS	10	.565	31	.435	31	4.08	151	1	0	0	187.1	199	85	92	14	58	6	0	4	798	9	7.25	2.79	2.60	0.67	18.9	7.3	1.37	.325	4.42	94	3.46	79	9.56	18.6
19	Hiroki Kuroda H. Kuroda	13	2010	LAD	11	.542	31	.458	31	3.39	159	0	0	0	196.1	180	74	87	15	48	5	0	13	810	12	7.29	2.20	3.31	0.69	19.6	5.9	1.16	.283	3.99	89	3.25	83	8.25	14.4
20	Colby Lewis C. Lewis	13	2010	TEX	12	.520	32	.480	32	3.72	196	1	0	0	201.0	174	83	90	21	65	6	0	0	844	9	8.78	2.91	3.02	0.94	23.2	7.7	1.19	.275	4.03	84	3.54	82	7.79	17.3
21	Justin Masterson J. Masterson	13	2010	CLE	6	.684	34	.316	29	4.70	140	1	1	0	180.0	197	94	107	14	73	11	0	4	802	12	7.00	3.65	1.92	0.70	17.5	9.1	1.50	.324	5.35	117	3.93	96	9.85	3
22	Roy Oswalt R. Oswalt	13	2010	TOT	13	.500	33	.500	32	2.76	193	2	2	0	211.2	162	65	70	19	55	5	0	2	837	2	8.21	2.34	3.51	0.81	23.1	6.6	1.03	.253	2.98	69	3.27	81	6.89	17.6
23	Mitch Talbot M. Talbot	13	2010	CLE	10	.565	28	.435	28	4.41	88	1	0	0	159.1	169	78	88	13	69	8	0	2	696	3	4.97	3.90	1.28	0.73	12.6	9.9	1.49	.301	4.97	110	4.48	110	9.55	-7.3
24	Brian Bannister B. Bannister	12	2010	KCR	7	.632	24	.368	23	6.34	77	0	0	0	127.2	158	90	92	23	50	3	1	0	581	10	5.43	3.52	1.54	1.62	13.3	8.6	1.63	.315	6.49	152	5.45	132	11.14	-19.1
25	Brad Bergesen B. Bergesen	12	2010	BAL	8	.600	30	.400	28	4.98	81	2	0	0	170.0	193	94	104	26	51	7	1	4	746	0	4.29	2.70	1.59	1.38	10.9	6.8	1.44	.287	5.51	117	5.13	118	10.22	-14.2