when was the last time a pitcher had 50+ starts in a season

Jack Chesbro had 51 games started in 1904.

	NAME	GS	SEASON	TM	G	W	L	W%	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Jack Chesbro J. Chesbro	51	1904	NYH	55	41	12	.774	1.82	239	48	6	0	454.2	338	92	128	4	88	7	3	1,720	9	4.73	1.74	2.72	0.08	13.9	5.1	0.94	.242	2.53	65	2.11	78	6.69	32.5
2	Frank Killen F. Killen	50	1896	PIT	52	30	18	.625	3.41	134	44	5	0	432.1	476	164	244	7	119	14	1	1,850	9	2.79	2.48	1.13	0.15	7.2	6.4	1.38	.298	5.08	82	3.81	91	9.91	15.2
3	Ted Breitenstein T. Breitenstein	51	1895	STL	55	19	30	.388	4.37	131	47	1	1	438.2	468	213	299	16	182	14	4	1,936	4	2.69	3.73	0.72	0.33	6.8	9.4	1.48	.284	6.13	92	4.80	102	9.60	-4.6
4	Pink Hawley P. Hawley	50	1895	PIT	56	31	22	.585	3.18	142	44	4	1	444.1	449	157	242	7	122	33	5	1,892	10	2.88	2.47	1.16	0.14	7.5	6.4	1.29	.278	4.90	68	4.19	90	9.09	22.3
5	Ted Breitenstein T. Breitenstein	50	1894	STL	56	27	23	.540	4.79	140	46	1	0	447.1	497	238	320	21	191	11	4	1,987	5	2.82	3.84	0.73	0.42	7.0	9.6	1.54	.293	6.44	91	5.15	98	10.00	4.9
6	Amos Rusie A. Rusie	50	1894	NYG	54	36	13	.735	2.78	195	45	3	1	444.0	426	137	228	10	200	5	4	1,910	10	3.95	4.05	0.98	0.20	10.2	10.5	1.41	.277	4.62	53	4.61	88	8.64	28.2
7	Amos Rusie A. Rusie	52	1893	NYG	56	33	21	.611	3.23	208	50	4	1	482.0	451	173	260	15	218	16	4	2,111	26	3.88	4.07	0.95	0.28	9.9	10.3	1.39	.264	4.85	71	4.24	94	8.42	12
8	Mark Baldwin M. Baldwin	53	1892	PIT	56	26	27	.491	3.47	157	45	0	0	440.1	447	170	272	11	194	22	3	1,983	17	3.21	3.97	0.81	0.22	7.9	9.8	1.46	.273	5.56	108	3.52	109	9.14	-16.9
9	William Hutchinson W. Hutchinson	70	1892	CHI	75	36	36	.500	2.76	314	67	5	1	622.0	571	191	316	11	190	13	5	2,639	20	4.54	2.75	1.65	0.16	11.9	7.2	1.22	.265	4.57	82	2.63	79	8.26	51.2
10	Frank Killen F. Killen	52	1892	WSH	60	29	26	.527	3.31	147	46	2	0	459.2	448	169	286	15	182	20	6	2,028	18	2.88	3.56	0.81	0.29	7.2	9.0	1.37	.260	5.60	100	3.54	107	8.77	-10.2
11	Kid Nichols K. Nichols	51	1892	BSN	53	35	16	.686	2.84	192	49	5	0	453.0	404	143	211	15	121	10	1	1,893	24	3.81	2.40	1.59	0.30	10.1	6.4	1.16	.250	4.19	83	2.89	84	8.03	29.5
12	Amos Rusie A. Rusie	62	1892	NYG	65	32	31	.508	2.84	304	59	2	0	541.0	410	171	290	7	270	12	3	2,314	24	5.06	4.49	1.13	0.12	13.1	11.7	1.26	.234	4.82	89	3.04	96	6.82	5.2
13	Mark Baldwin M. Baldwin	51	1891	PIT	53	21	28	.429	2.76	197	48	2	1	437.2	385	134	278	10	227	23	2	1,944	24	4.05	4.67	0.87	0.21	10.1	11.7	1.40	.252	5.72	84	3.64	107	7.92	-14.3
14	Kid Carsey K. Carsey	53	1891	WSH	54	14	37	.275	4.99	174	46	1	0	415.0	513	230	358	17	161	28	1	1,937	29	3.77	3.49	1.08	0.37	9.0	8.3	1.62	.319	7.76	133	3.59	99	11.13	2.3
15	John Clarkson J. Clarkson	51	1891	BSN	55	33	19	.635	2.79	141	47	3	3	460.2	435	143	244	18	154	15	4	1,982	14	2.75	3.01	0.92	0.35	7.1	7.8	1.28	.252	4.77	80	3.53	98	8.50	8.5
16	William Hutchinson W. Hutchinson	58	1891	CHI	66	44	19	.698	2.81	261	56	4	1	561.0	508	175	283	26	178	7	8	2,371	25	4.19	2.86	1.47	0.42	11.0	7.5	1.22	.254	4.54	82	3.19	90	8.15	24
17	Phil Knell P. Knell	52	1891	COL	58	28	27	.509	2.92	228	47	5	0	462.0	363	150	228	4	226	54	5	2,017	23	4.44	4.40	1.01	0.08	11.3	11.2	1.27	.239	4.44	84	3.47	103	7.07	-13.4
18	Sadie McMahon S. McMahon	58	1891	BAL	61	35	24	.593	2.81	219	53	5	1	503.0	493	157	259	13	149	17	3	2,155	16	3.92	2.67	1.47	0.23	10.2	6.9	1.28	.273	4.63	74	2.99	82	8.82	39.2
19	Amos Rusie A. Rusie	57	1891	NYG	61	33	20	.623	2.55	337	52	6	1	500.1	391	142	244	6	262	18	4	2,167	17	6.06	4.71	1.29	0.11	15.6	12.1	1.31	.249	4.39	78	3.02	89	7.03	19
20	Jack Stivetts J. Stivetts	56	1891	STL	64	33	22	.600	2.86	259	40	3	1	440.0	357	140	237	15	232	18	8	1,916	28	5.30	4.75	1.12	0.31	13.5	12.1	1.34	.246	4.85	73	3.50	92	7.30	20.1
21	Gus Weyhing G. Weyhing	51	1891	PHA	52	31	20	.608	3.18	219	51	3	0	450.0	428	159	231	12	161	31	1	1,959	28	4.38	3.22	1.36	0.24	11.2	8.2	1.31	.271	4.62	85	3.18	88	8.56	22.6
22	Mark Baldwin M. Baldwin	56	1890	CHP	58	33	24	.579	3.35	206	53	1	0	492.0	494	183	321	10	249	16	2	2,242	25	3.77	4.55	0.83	0.18	9.2	11.1	1.51	.275	5.87	78	3.96	93	9.04	16.6
23	Bob Barr B. Barr	54	1890	ROC	57	28	24	.538	3.25	209	52	3	0	493.1	458	178	267	7	219	14	3	2,152	28	3.81	4.00	0.95	0.13	9.7	10.2	1.37	.265	4.87	88	3.67	106	8.36	-19.2
24	Ed Beatin E. Beatin	54	1890	CLN	54	22	30	.423	3.83	155	53	1	0	474.1	518	202	300	11	186	15	0	2,127	17	2.94	3.53	0.83	0.21	7.3	8.7	1.48	.288	5.69	108	3.83	101	9.83	-1.1
25	Kid Gleason K. Gleason	55	1890	PHN	60	38	17	.691	2.63	222	54	6	2	506.0	479	148	253	8	167	15	5	2,163	11	3.95	2.97	1.33	0.14	10.3	7.7	1.28	.269	4.50	72	3.32	85	8.52	36.8