Whitey Ford has the most career losses in the World Series, with 8 games.

	NAME	L	SERIES	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	H/9
1	Whitey Ford W. Ford	8	World Series	10	.444	22	.556	22	2.71	94	7	3	0	146.0	132	44	51	8	34	3	0	2	594	4	5.79	2.10	2.76	0.49	15.8	5.7	1.14	.273	3.14	8.14
2	Justin Verlander J. Verlander	6	World Series	1	.857	9	.143	9	5.63	50	0	0	0	48.0	45	30	33	10	20	1	0	0	208	2	9.38	3.75	2.50	1.88	24.0	9.6	1.35	.276	6.19	8.44
3	Schoolboy Rowe S. Rowe	5	World Series	2	.714	8	.286	6	3.91	27	4	0	0	46.0	50	20	23	3	2	0	1	0	190	0	5.28	0.39	13.50	0.59	14.2	1.1	1.13	.297	4.50	9.78
4	Bullet Joe Bush B. Joe Bush	5	World Series	2	.714	9	.286	6	2.67	18	5	0	1	60.2	49	18	20	2	20	1	3	2	237	0	2.67	2.97	0.90	0.30	7.6	8.4	1.14	.240	2.97	7.27
5	Rube Marquard R. Marquard	5	World Series	2	.714	11	.286	8	3.07	35	2	0	0	58.2	52	20	28	4	15	0	2	1	242	2	5.37	2.30	2.33	0.61	14.5	6.2	1.14	.255	4.30	7.98
6	Christy Mathewson C. Mathewson	5	World Series	5	.500	11	.500	11	0.97	48	10	4	0	101.2	75	11	22	1	10	1	0	3	391	1	4.25	0.89	4.80	0.09	12.3	2.6	0.84	.224	1.95	6.64
7	Eddie Plank E. Plank	5	World Series	2	.714	7	.286	6	1.32	32	6	0	0	54.2	37	8	11	0	11	4	1	1	215	1	5.27	1.81	2.91	0.00	14.9	5.1	0.88	.220	1.81	6.09
8	Andy Pettitte A. Pettitte	4	World Series	5	.444	13	.556	13	4.06	56	0	0	0	77.2	83	35	39	5	26	2	0	3	334	2	6.49	3.01	2.15	0.58	16.8	7.8	1.40	.318	4.52	9.62
9	Charlie Leibrandt C. Leibrandt	4	World Series	0	1.000	5	.000	3	4.84	13	0	0	0	22.1	21	12	12	2	5	1	2	1	91	0	5.24	2.01	2.60	0.81	14.3	5.5	1.16	.271	4.84	8.46
10	Dave Stewart D. Stewart	4	World Series	2	.667	10	.333	8	3.32	33	2	1	0	57.0	43	21	25	5	23	2	2	1	237	2	5.21	3.63	1.43	0.79	13.9	9.7	1.16	.218	3.95	6.79
11	Ralph Terry R. Terry	4	World Series	2	.667	9	.333	6	2.93	31	2	1	0	46.0	41	15	17	5	6	1	2	2	185	0	6.07	1.17	5.17	0.98	16.8	3.2	1.02	.254	3.33	8.02
12	Don Newcombe D. Newcombe	4	World Series	0	1.000	5	.000	5	8.59	19	1	0	0	22.0	29	21	21	8	8	0	0	0	100	0	7.77	3.27	2.38	3.27	19.0	8.0	1.68	.323	8.59	11.86
13	Paul Derringer P. Derringer	4	World Series	2	.667	11	.333	7	3.42	30	3	0	0	52.2	45	20	26	3	27	0	1	5	230	1	5.13	4.61	1.11	0.51	13.0	11.7	1.37	.247	4.44	7.69
14	Bill Sherdel B. Sherdel	4	World Series	0	1.000	4	.000	4	3.26	6	1	0	0	30.1	30	11	12	4	11	1	0	1	131	1	1.78	3.26	0.55	1.19	4.6	8.4	1.35	.239	3.56	8.90
15	Waite Hoyt W. Hoyt	4	World Series	6	.400	12	.600	11	1.83	49	6	1	0	83.2	81	17	28	2	22	1	1	0	345	0	5.27	2.37	2.23	0.22	14.2	6.4	1.23	.292	3.01	8.71
16	Art Nehf A. Nehf	4	World Series	4	.500	12	.500	9	2.16	28	6	2	0	79.0	50	19	23	2	32	1	1	2	310	2	3.19	3.65	0.88	0.23	9.0	10.3	1.04	.194	2.62	5.70
17	Burleigh Grimes B. Grimes	4	World Series	3	.571	9	.429	7	4.29	28	4	1	0	56.2	49	27	28	8	26	1	1	2	238	1	4.45	4.13	1.08	1.27	11.8	10.9	1.32	.234	4.45	7.78
18	Carl Mays C. Mays	4	World Series	3	.571	8	.429	7	2.35	17	5	1	1	57.1	47	15	16	0	8	3	1	1	221	0	2.67	1.26	2.13	0.00	7.7	3.6	0.96	.244	2.51	7.38
19	Ed Summers E. Summers	4	World Series	0	1.000	4	.000	3	5.73	11	0	0	0	22.0	31	14	21	1	8	1	1	0	107	2	4.50	3.27	1.38	0.41	10.3	7.5	1.77	.349	8.59	12.68
20	Bill Donovan B. Donovan	4	World Series	1	.800	6	.200	6	2.88	33	5	0	0	50.0	41	16	21	1	17	4	0	0	204	1	5.94	3.06	1.94	0.18	16.2	8.3	1.16	.268	3.78	7.38
21	Mordecai Brown M. Brown	4	World Series	5	.444	9	.556	7	2.97	35	5	3	0	57.2	50	19	26	0	13	1	2	0	236	2	5.46	2.03	2.69	0.00	14.8	5.5	1.09	.267	4.06	7.80
22	Chief Bender C. Bender	4	World Series	6	.400	10	.600	10	2.44	59	9	1	0	85.0	65	23	28	1	21	2	0	0	331	1	6.25	2.22	2.81	0.11	17.8	6.3	1.01	.258	2.96	6.88
23	Luis Garcia L. Garcia	3	World Series	0	1.000	3	.000	2	6.43	9	0	0	0	7.0	7	5	5	2	5	0	0	1	33	0	11.57	6.43	1.80	2.57	27.3	15.2	1.71	.294	6.43	9.00
24	Brad Lidge B. Lidge	3	World Series	0	1.000	6	.000	0	6.75	10	0	0	2	6.2	8	5	5	1	0	1	5	0	28	0	13.50	0.00		1.35	35.7	0.0	1.20	.438	6.75	10.80
25	Kevin Brown K. Brown	3	World Series	0	1.000	4	.000	4	6.04	19	0	0	0	25.1	29	17	17	1	11	0	0	2	110	0	6.75	3.91	1.73	0.36	17.3	10.0	1.58	.354	6.04	10.30