20+ in a season by a pitcher since 2011

	NAME	SEASON	TM	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	Fernando Abad F. Abad	2011	HOU	29	1	4	.200	0	7.32	15	0	0	0	19.2	28	16	18	5	9	1	1	0	99	0	6.86	4.12	1.67	2.29	15.2	9.1	1.88	.333	8.24	194	6.32	163	12.81	-5.3
2	Bobby Abreu B. Abreu	2011	LAA
3	Juan Abreu J. Abreu	2011	HOU	7	0	0		0	2.70	12	0	0	0	6.2	6	2	2	1	3	5	2	0	34	0	16.20	4.05	4.00	1.35	35.3	8.8	1.35	.385	2.70	72	4.97	128	8.10	-0.8
4	Jeremy Accardo J. Accardo	2011	BAL	31	3	3	.500	0	5.73	23	0	0	0	37.2	43	24	24	5	18	1	7	4	167	0	5.50	4.30	1.28	1.19	13.8	10.8	1.62	.317	5.73	137	5.04	120	10.27	-3.3
5	Alfredo Aceves A. Aceves	2011	BOS	55	10	2	.833	4	2.61	80	0	0	2	114.0	84	33	37	8	42	15	15	1	474	1	6.32	3.32	1.90	0.63	16.9	8.9	1.11	.231	2.92	61	4.03	102	6.63	-1
6	Dustin Ackley D. Ackley	2011	SEA
7	Manny Acosta M. Acosta	2011	NYM	44	4	1	.800	0	3.45	46	0	0	4	47.0	50	18	21	6	15	2	15	0	204	0	8.81	2.87	3.07	1.15	22.5	7.4	1.38	.326	4.02	93	3.81	101	9.57	-0.2
8	Mike Adams M. Adams	2011	TOT	75	5	4	.556	0	1.47	74	0	0	2	73.2	44	12	13	5	14	0	10	2	277	0	9.04	1.71	5.29	0.61	26.7	5.1	0.79	.212	1.59	38	2.46	63	5.38	11.8
9	Ryan Adams R. Adams	2011	BAL
10	Nate Adcock N. Adcock	2011	KCR	24	1	1	.500	3	4.62	36	0	0	1	60.1	63	31	34	5	26	3	5	3	265	4	5.37	3.88	1.38	0.75	13.6	9.8	1.48	.297	5.07	111	4.34	109	9.40	-2.4
11	Jeremy Affeldt J. Affeldt	2011	SFG	67	3	2	.600	0	2.63	54	0	0	3	61.2	47	18	22	5	24	4	12	3	259	4	7.88	3.50	2.25	0.73	20.8	9.3	1.15	.244	3.21	73	3.68	100	6.86	-0.1
12	Matt Albers M. Albers	2011	BOS	56	4	4	.500	0	4.73	68	0	0	0	64.2	62	34	35	7	31	5	10	1	289	2	9.46	4.31	2.19	0.97	23.5	10.7	1.44	.309	4.87	112	3.99	101	8.63	-0.3
13	Al Alburquerque A. Alburquerque	2011	DET	41	6	1	.857	0	1.87	67	0	0	0	43.1	21	9	9	0	29	2	11	4	182	4	13.92	6.02	2.31	0.00	36.8	15.9	1.15	.250	1.87	45	2.07	51	4.36	9.5
14	Eliezer Alfonzo E. Alfonzo	2011	COL
15	Brandon Allen B. Allen	2011	TOT
16	Erick Almonte E. Almonte	2011	MIL
17	Yonder Alonso Y. Alonso	2011	CIN
18	Jose Altuve J. Altuve	2011	HOU
19	Henderson Alvarez III H. Alvarez III	2011	TOR	10	1	3	.250	10	3.53	40	0	0	0	63.2	64	25	26	8	8	4	0	0	259	2	5.65	1.13	5.00	1.13	15.4	3.1	1.13	.281	3.68	85	3.96	96	9.05	1.2
20	Pedro Alvarez P. Alvarez	2011	PIT
21	Alexi Amarista A. Amarista	2011	LAA
22	Alfredo Amezaga A. Amezaga	2011	TOT
23	Brett Anderson B. Anderson	2011	OAK	13	3	6	.333	13	4.00	61	1	0	0	83.1	86	37	40	8	25	7	0	1	356	0	6.59	2.70	2.44	0.86	17.1	7.0	1.33	.306	4.32	101	3.95	100	9.29	0
24	Lars Anderson L. Anderson	2011	BOS
25	Robert Andino R. Andino	2011	BAL