most pitching wins for a pitcher before all star break in a season

Wilbur Wood has won the most games in a season before the All-Star Game, with 18 wins in 1973.

	NAME	W	SEASON	TM	L	W%	G	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	Wilbur Wood W. Wood	18	1973	CWS	14	.563	32	31	2.98	142	17	4	0	247.2	233	82	102	17	56	2	1	2	1,022	5	5.16	2.03	2.54	0.62	13.9	5.5	1.17	.268	3.71	8.47
2	Mickey Lolich M. Lolich	17	1972	DET	6	.739	24	24	2.39	156	17	3	0	199.2	168	53	56	15	48	5	0	4	805	6	7.03	2.16	3.25	0.68	19.4	6.0	1.08	.263	2.52	7.57
3	Vida Blue V. Blue	17	1971	OAK	3	.850	22	22	1.42	188	17	6	0	184.1	115	29	33	6	55	2	0	1	704	9	9.18	2.69	3.42	0.29	26.7	7.8	0.92	.241	1.61	5.61
4	Randy Jones R. Jones	16	1976	SDP	3	.842	21	21	2.53	57	15	3	0	174.0	142	49	57	8	22	3	0	1	680	0	2.95	1.14	2.59	0.41	8.4	3.2	0.94	.227	2.95	7.34
5	Wilbur Wood W. Wood	16	1974	CWS	11	.593	27	27	3.54	105	12	1	0	200.2	177	79	87	20	53	7	0	6	821	4	4.71	2.38	1.98	0.90	12.8	6.5	1.15	.247	3.90	7.94
6	Gaylord Perry G. Perry	16	1972	CLE	8	.667	25	24	1.73	139	17	3	1	213.1	155	41	44	6	48	6	1	8	828	9	5.86	2.03	2.90	0.25	16.8	5.8	0.95	.237	1.86	6.54
7	Denny McLain D. McLain	16	1968	DET	2	.889	21	21	2.09	142	14	2	0	172.0	120	40	43	16	23	3	0	0	649	2	7.43	1.20	6.17	0.84	21.9	3.5	0.83	.224	2.25	6.28
8	Whitey Ford W. Ford	16	1961	NYY	2	.889	21	21	3.15	122	7	1	0	160.0	119	56	62	14	49	1	0	0	638	3	6.86	2.76	2.49	0.79	19.1	7.7	1.05	.232	3.49	6.69
9	Hal Newhouser H. Newhouser	16	1946	DET	3	.842	19	18	1.99	139	16	4	0	154.0	111	34	37	6	52	0	0		614	3	8.12	3.04	2.67	0.35	22.6	8.5	1.06	.252	2.16	6.49
10	Bob Feller B. Feller	16	1941	CLE	4	.800	23	21	3.16	148	14	5	2	173.2	136	61	65	9	91	2	2		734	3	7.67	4.72	1.63	0.47	20.2	12.4	1.31	.262	3.37	7.05
11	Ubaldo Jimenez U. Jimenez	15	2010	COL	1	.938	18	18	2.20	113	3	2	0	127.0	87	31	31	6	46	4	0	2	493	7	8.01	3.26	2.46	0.43	22.9	9.3	1.05	.250	2.20	6.17
12	David Wells D. Wells	15	2000	TOR	2	.882	19	19	3.44	100	4	1	0	128.1	145	49	55	10	18	3	0	0	539	8	7.01	1.26	5.56	0.70	18.6	3.3	1.27	.331	3.86	10.17
13	Pedro Martinez P. Martinez	15	1999	BOS	3	.833	18	18	2.10	184	3	0	0	132.2	104	31	33	5	24	4	0	1	522	4	12.48	1.63	7.67	0.34	35.2	4.6	0.96	.325	2.24	7.06
14	Greg Maddux G. Maddux	15	1988	CHC	3	.833	19	19	2.14	91	8	3	0	155.2	118	37	41	6	51	3	0	10	627	0	5.26	2.95	1.78	0.35	14.5	8.1	1.09	.235	2.37	6.82
15	Bret Saberhagen B. Saberhagen	15	1987	KCR	3	.833	18	18	2.47	95	11	3	0	149.2	118	41	42	12	28	2	0	1	578	3	5.71	1.68	3.39	0.72	16.4	4.8	0.98	.240	2.53	7.10
16	Roger Clemens R. Clemens	15	1986	BOS	2	.882	18	18	2.48	146	6	1	0	145.0	97	40	45	16	35	1	0	0	567	8	9.06	2.17	4.17	0.99	25.7	6.2	0.91	.220	2.79	6.02
17	Joaquin Andujar J. Andujar	15	1985	STL	4	.789	20	20	2.37	69	9	2	0	152.0	144	40	44	5	35	6	0	4	620	2	4.09	2.07	1.97	0.30	11.1	5.6	1.18	.275	2.61	8.53
18	Gaylord Perry G. Perry	15	1974	CLE	3	.833	21	21	1.47	140	17	3	0	189.1	112	31	37	8	55	5	0	1	716	1	6.65	2.61	2.55	0.38	19.6	7.7	0.88	.205	1.76	5.32
19	Bill Singer B. Singer	15	1973	CAL	5	.750	24	24	2.65	156	12	1	0	193.1	156	57	63	8	74	8	0	2	811	3	7.26	3.44	2.11	0.37	19.2	9.1	1.19	.262	2.93	7.26
20	Joe Coleman J. Coleman	15	1973	DET	8	.652	25	25	3.60	104	8	1	0	172.2	173	69	77	18	61	5	0	1	739	4	5.42	3.18	1.70	0.94	14.1	8.3	1.36	.281	4.01	9.02
21	Ken Holtzman K. Holtzman	15	1973	OAK	9	.625	25	25	2.23	107	14	3	0	198.0	168	49	56	14	42	1	0	2	787	7	4.86	1.91	2.55	0.64	13.6	5.3	1.06	.247	2.55	7.64
22	Catfish Hunter C. Hunter	15	1973	OAK	3	.833	25	25	3.32	93	10	3	0	184.1	164	68	75	27	44	1	0	1	748	2	4.54	2.15	2.11	1.32	12.4	5.9	1.13	.235	3.66	8.01
23	Wilbur Wood W. Wood	15	1972	CWS	10	.600	29	29	2.49	118	10	5	0	220.1	190	61	68	16	38	6	0	2	860	7	4.82	1.55	3.11	0.65	13.7	4.4	1.03	.255	2.78	7.76
24	Phil Niekro P. Niekro	15	1969	ATL	7	.682	24	20	2.12	114	16	3	1	174.1	138	41	47	9	28	3	4	4	691	11	5.89	1.45	4.07	0.46	16.5	4.1	0.95	.240	2.43	7.12
25	Juan Marichal J. Marichal	15	1968	SFG	4	.789	21	21	2.49	128	17	2	0	184.2	169	51	57	14	23	2	0	4	731	3	6.24	1.12	5.57	0.68	17.5	3.1	1.04	.275	2.78	8.24