Roy Oswalt played 13 seasons for 4 teams, including the Astros and Phillies. He had 163 wins, 102 losses, an ERA of 3.36 and 1,852 strikeouts. He won 1 League Championship MVP award.

Interpreted as:

Roy Oswalt stats in his career

	NAME	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	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	Roy Oswalt R. Oswalt	2001	HOU	28	14	3	.824	20	2.73	144	3	1	141.2	126	43	48	13	24	6	4	2	575	0	9.15	1.52	6.00	0.83	25.0	4.2	1.06	.291	3.05	60	2.84	64	8.00	25.1
2	Roy Oswalt R. Oswalt	2002	HOU	35	19	9	.679	34	3.01	208	0	0	233.0	215	78	86	17	62	5	0	4	956	3	8.03	2.39	3.35	0.66	21.8	6.5	1.19	.298	3.32	71	2.98	70	8.30	32.2
3	Roy Oswalt R. Oswalt	2003	HOU	21	10	5	.667	21	2.97	108	0	0	127.1	116	42	48	15	29	5	0	0	514	1	7.63	2.05	3.72	1.06	21.0	5.6	1.14	.283	3.39	68	3.66	84	8.20	10.1
4	Roy Oswalt R. Oswalt	2004	HOU	36	20	10	.667	35	3.49	206	2	2	237.0	233	92	100	17	62	11	0	5	983	5	7.82	2.35	3.32	0.65	21.0	6.3	1.24	.314	3.80	80	3.16	71	8.85	33.6
5	Roy Oswalt R. Oswalt	2005	HOU	35	20	12	.625	35	2.94	184	4	1	241.2	243	79	85	18	48	8	0	3	1,002	5	6.85	1.79	3.83	0.67	18.4	4.8	1.20	.302	3.17	70	3.15	73	9.05	30.4
6	Roy Oswalt R. Oswalt	2006	HOU	33	15	8	.652	32	2.98	166	2	0	220.2	220	73	76	18	38	6	1	4	896	1	6.77	1.55	4.37	0.73	18.5	4.2	1.17	.302	3.10	67	3.29	72	8.97	31.1
7	Roy Oswalt R. Oswalt	2007	HOU	33	14	7	.667	32	3.18	154	1	0	212.0	221	75	80	14	60	7	0	6	910	1	6.54	2.55	2.57	0.59	16.9	6.6	1.33	.307	3.40	73	3.58	79	9.38	22.2
8	Roy Oswalt R. Oswalt	2008	HOU	32	17	10	.630	32	3.54	165	3	2	208.2	199	82	89	23	47	10	0	2	862	1	7.12	2.03	3.51	0.99	19.1	5.5	1.18	.285	3.84	84	3.79	87	8.58	13
9	Roy Oswalt R. Oswalt	2009	HOU	30	8	6	.571	30	4.12	138	3	0	181.1	183	83	83	19	42	8	0	4	757	4	6.85	2.08	3.29	0.94	18.2	5.5	1.24	.298	4.12	100	3.75	88	9.08	10.4
10	Roy Oswalt R. Oswalt	2010	TOT	33	13	13	.500	32	2.76	193	2	2	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
11	Roy Oswalt R. Oswalt	2011	PHI	23	9	10	.474	23	3.69	93	0	0	139.0	153	57	60	10	33	5	0	2	594	3	6.02	2.14	2.82	0.65	15.7	5.6	1.34	.316	3.88	96	3.44	88	9.91	6.9
12	Roy Oswalt R. Oswalt	2012	TEX	17	4	3	.571	9	5.80	59	0	0	59.0	79	38	41	11	11	3	2	0	264	3	9.00	1.68	5.36	1.68	22.3	4.2	1.53	.378	6.25	134	4.22	99	12.05	0.3
13	Roy Oswalt R. Oswalt	2013	COL	9	0	6	.000	6	8.63	34	0	0	32.1	49	31	31	3	9	1	0	0	151	1	9.46	2.51	3.78	0.84	22.5	6.0	1.79	.442	8.63	197	3.07	76	13.64	3.4
	Total			365	163	102	.615	341	3.36	1,852	20	8	2245.1	2,199	838	897	197	520	80	7	34	9,301	30	7.42	2.08	3.56	0.79	19.9	5.6	1.21	.301	3.60	79	3.36	78	8.81	236.2