Kenley Jansen has pitched in the most career games by an active pitcher, with 903 games.

Interpreted as:

most regular-season games played current MLB pitcher

	NAME	G	W	L	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	ERA-	FIP	FIP-	H/9	PRAA
1	Kenley Jansen K. Jansen	903	50	38	.568	0	2.62	1,246	0	0	461	896.0	599	261	279	86	273	31	676	19	3,566	21	12.52	2.74	4.56	0.86	34.9	7.7	0.97	.266	2.80	66	2.61	64	6.02	142.2
2	Aroldis Chapman A. Chapman	832	58	46	.558	0	2.58	1,294	0	0	349	793.0	464	227	252	53	403	33	540	7	3,239	82	14.69	4.57	3.21	0.60	40.0	12.4	1.09	.282	2.86	63	2.38	57	5.27	153.2
3	Ryan Pressly R. Pressly	655	37	38	.493	0	3.30	713	0	0	116	680.0	601	249	280	62	202	15	254	14	2,808	47	9.44	2.67	3.53	0.82	25.4	7.2	1.18	.297	3.71	79	3.19	77	7.95	75.2
4	Héctor Neris H. Neris	630	46	42	.523	0	3.44	760	0	0	107	614.2	495	235	260	80	234	36	270	15	2,571	37	11.13	3.43	3.25	1.17	29.6	9.1	1.19	.284	3.81	83	3.70	88	7.25	36
5	Justin Wilson J. Wilson	620	36	30	.545	0	3.55	594	0	0	20	540.0	470	213	229	49	235	17	122	15	2,292	41	9.90	3.92	2.53	0.82	25.9	10.3	1.31	.301	3.82	88	3.51	86	7.83	34.4
6	Andrew Chafin A. Chafin	617	21	27	.438	3	3.41	569	0	0	20	519.2	445	197	218	37	226	16	101	18	2,199	32	9.85	3.91	2.52	0.64	25.9	10.3	1.29	.302	3.78	81	3.29	80	7.71	48
7	Luis García L. García	571	28	28	.500	4	4.16	522	0	0	15	554.0	546	256	283	52	246	26	141	25	2,440	65	8.48	4.00	2.12	0.84	21.4	10.1	1.43	.310	4.60	101	3.96	94	8.87	15.3
8	Raisel Iglesias R. Iglesias	561	42	54	.438	21	3.01	826	0	0	233	697.1	554	233	259	82	192	26	426	16	2,821	17	10.66	2.48	4.30	1.06	29.3	6.8	1.07	.278	3.34	71	3.25	77	7.15	74
9	Taylor Rogers T. Rogers	540	30	36	.455	0	3.33	599	0	0	83	516.1	459	191	223	53	155	33	158	22	2,147	12	10.44	2.70	3.86	0.92	27.9	7.2	1.19	.311	3.89	79	3.27	77	8.00	56
10	Justin Verlander J. Verlander	538	262	152	.633	538	3.32	3,468	26	9	0	3477.1	2,955	1,283	1,388	364	975	116	0	27	14,213	97	8.98	2.52	3.56	0.94	24.4	6.9	1.13	.279	3.59	79	3.43	81	7.65	304.6
11	Blake Treinen B. Treinen	507	43	36	.544	7	2.79	570	0	0	82	557.2	465	173	198	40	207	19	191	22	2,293	23	9.20	3.34	2.75	0.65	24.9	9.0	1.21	.292	3.20	67	3.26	78	7.50	55.4
12	Hunter Strickland H. Strickland	496	26	25	.510	0	3.32	418	0	0	30	465.2	392	172	192	50	175	21	155	13	1,946	18	8.08	3.38	2.39	0.97	21.5	9.0	1.22	.267	3.71	81	4.01	98	7.58	3.7
13	Liam Hendriks L. Hendriks	490	33	36	.478	44	3.88	739	1	0	116	663.2	630	286	319	79	166	20	218	16	2,766	42	10.02	2.25	4.45	1.07	26.7	6.0	1.20	.313	4.33	94	3.29	80	8.54	65.9
14	Edwin Díaz E. Díaz	489	25	33	.431	0	2.94	786	0	0	241	483.2	336	158	170	52	173	35	370	9	1,968	31	14.63	3.22	4.54	0.97	39.9	8.8	1.05	.308	3.16	73	2.59	62	6.25	85.1
15	Carlos Estévez C. Estévez	471	29	33	.468	0	4.05	468	0	0	104	453.0	430	204	229	56	175	21	220	21	1,956	23	9.30	3.48	2.67	1.11	23.9	8.9	1.34	.303	4.55	86	4.00	91	8.54	20
16	Max Scherzer M. Scherzer	468	215	112	.657	459	3.17	3,412	12	5	0	2886.0	2,355	1,015	1,088	337	759	112	2	20	11,662	79	10.64	2.37	4.50	1.05	29.3	6.5	1.08	.287	3.39	76	3.18	77	7.34	308.3
17	Wandy Peralta W. Peralta	466	25	21	.543	1	3.88	344	0	0	13	419.1	379	181	203	48	187	21	102	9	1,805	13	7.38	4.01	1.84	1.03	19.1	10.4	1.35	.275	4.36	93	4.50	106	8.13	-11.4
18	T.J. McFarland	459	26	20	.565	3	4.14	325	0	0	1	545.1	618	251	285	49	174	18	124	34	2,364	15	5.36	2.87	1.87	0.81	13.7	7.4	1.45	.316	4.70	100	4.17	101	10.20	-3.3
19	Josh Hader J. Hader	454	33	30	.524	0	2.63	809	0	0	219	496.0	272	145	156	62	189	24	311	5	1,951	19	14.68	3.43	4.28	1.13	41.5	9.7	0.93	.242	2.83	64	2.82	67	4.94	76.6
20	Kirby Yates K. Yates	451	30	23	.566	0	3.23	607	0	0	96	434.2	318	156	169	58	171	29	201	13	1,806	18	12.57	3.54	3.55	1.20	33.6	9.5	1.13	.276	3.50	79	3.49	84	6.58	32.9
21	Phil Maton P. Maton	447	20	17	.541	1	3.99	499	0	0	7	441.2	393	196	221	50	171	46	85	8	1,895	11	10.17	3.48	2.92	1.02	26.3	9.0	1.28	.304	4.50	98	3.85	93	8.01	13.7
22	Emilio Pagán E. Pagán	441	26	25	.510	2	3.74	543	0	0	51	472.0	372	196	211	81	136	10	144	6	1,913	12	10.35	2.59	3.99	1.54	28.4	7.1	1.08	.255	4.02	91	4.02	96	7.09	10.2
23	Clayton Kershaw C. Kershaw	439	215	94	.696	436	2.51	2,992	25	15	0	2775.1	2,122	774	849	231	690	44	1	28	10,952	105	9.70	2.24	4.34	0.75	27.3	6.3	1.01	.270	2.75	64	2.84	70	6.88	366.2
24	Yimi García Y. García	435	22	31	.415	1	3.57	455	0	0	29	418.1	335	166	192	61	106	25	125	17	1,706	6	9.79	2.28	4.29	1.31	26.7	6.2	1.05	.259	4.13	89	3.82	93	7.21	13.7
25	Ryne Stanek R. Stanek	433	19	21	.475	56	3.69	501	0	0	12	429.1	343	176	197	56	211	10	89	14	1,821	30	10.50	4.42	2.37	1.17	27.5	11.6	1.29	.275	4.13	90	4.07	98	7.19	2.9