Christy Mathewson has the most career complete games in the World Series, with 10 complete games.

Interpreted as:

most complete games by a player world series

	NAME	CG	SERIES	G	W	L	W%	GS	ERA	SO	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	Christy Mathewson C. Mathewson	10	World Series	11	5	5	.500	11	0.97	48	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
2	Chief Bender C. Bender	9	World Series	10	6	4	.600	10	2.44	59	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
3	Bob Gibson B. Gibson	8	World Series	9	7	2	.778	9	1.89	92	2	0	81.0	55	17	19	6	17	2	0	3	312	2	10.22	1.89	5.41	0.67	29.5	5.4	0.89	.251	2.11	6.11
4	Red Ruffing R. Ruffing	8	World Series	10	7	2	.778	10	2.63	61	0	0	85.2	74	25	32	4	27	0	0	2	352	0	6.41	2.84	2.26	0.42	17.3	7.7	1.18	.269	3.36	7.77
5	Whitey Ford W. Ford	7	World Series	22	10	8	.556	22	2.71	94	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
6	Waite Hoyt W. Hoyt	6	World Series	12	6	4	.600	11	1.83	49	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
7	Art Nehf A. Nehf	6	World Series	12	4	4	.500	9	2.16	28	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
8	George Mullin G. Mullin	6	World Series	7	3	3	.500	6	1.86	36	1	0	58.0	45	12	22	1	16	3	1	0	236	0	5.59	2.48	2.25	0.16	15.3	6.8	1.05	.244	3.41	6.98
9	Eddie Plank E. Plank	6	World Series	7	2	5	.286	6	1.32	32	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
10	Allie Reynolds A. Reynolds	5	World Series	15	7	2	.778	9	2.79	62	2	4	77.1	61	24	25	8	32	1	5	1	309	1	7.22	3.72	1.94	0.93	20.1	10.4	1.20	.257	2.91	7.10
11	George Earnshaw G. Earnshaw	5	World Series	8	4	3	.571	8	1.58	56	1	0	62.2	39	11	14	2	17	0	0	1	245	1	8.04	2.44	3.29	0.29	22.9	6.9	0.89	.218	2.01	5.60
12	Walter Johnson W. Johnson	5	World Series	6	3	3	.500	5	2.52	35	1	0	50.0	56	14	20	4	15	3	1	3	212	1	6.30	2.70	2.33	0.72	16.5	7.1	1.42	.335	3.60	10.08
13	Carl Mays C. Mays	5	World Series	8	3	4	.429	7	2.35	17	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
14	Bullet Joe Bush B. Joe Bush	5	World Series	9	2	5	.286	6	2.67	18	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
15	Bill Donovan B. Donovan	5	World Series	6	1	4	.200	6	2.88	33	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
16	Mordecai Brown M. Brown	5	World Series	9	5	4	.556	7	2.97	35	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
17	Deacon Phillippe D. Phillippe	5	World Series	7	3	2	.600	5	2.70	24	0	0	50.0	40	15	19	0	4	1	2	0	201	1	4.32	0.72	6.00	0.00	11.9	2.0	0.88	.233	3.42	7.20
18	Dave McNally D. McNally	4	World Series	9	4	2	.667	7	2.34	35	1	0	50.0	36	13	17	5	19	1	2	1	205	3	6.30	3.42	1.84	0.90	17.1	9.3	1.10	.214	3.06	6.48
19	Sandy Koufax S. Koufax	4	World Series	8	4	3	.571	7	0.95	61	2	0	57.0	36	6	10	2	11	0	0	1	213	0	9.63	1.74	5.55	0.32	28.6	5.2	0.82	.245	1.58	5.68
20	Lew Burdette L. Burdette	4	World Series	6	4	2	.667	6	2.92	25	2	0	49.1	43	16	19	6	8	0	0	4	197	0	4.56	1.46	3.13	1.09	12.7	4.1	1.03	.234	3.47	7.84
21	Tommy Bridges T. Bridges	4	World Series	7	4	1	.800	5	3.52	27	0	0	46.0	52	18	22	2	9	1	0	0	197	1	5.28	1.76	3.00	0.39	13.7	4.6	1.33	.316	4.30	10.17
22	Schoolboy Rowe S. Rowe	4	World Series	8	2	5	.286	6	3.91	27	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
23	Carl Hubbell C. Hubbell	4	World Series	6	4	2	.667	6	1.79	32	0	0	50.1	40	10	18	3	12	1	0	2	204	1	5.72	2.15	2.67	0.54	15.7	5.9	1.03	.237	3.22	7.15
24	Lefty Gomez L. Gomez	4	World Series	7	6	0	1.000	7	2.86	31	0	0	50.1	51	16	17	2	15	0	0	0	213	1	5.54	2.68	2.07	0.36	14.6	7.0	1.31	.297	3.04	9.12
25	Lefty Grove L. Grove	4	World Series	8	4	2	.667	5	1.75	36	0	2	51.1	46	10	12	0	6	0	3	0	205	0	6.31	1.05	6.00	0.00	17.6	2.9	1.01	.282	2.10	8.06