Fernando Abad walked 3.57 batters per nine innings in 2021.

Interpreted as:

pitchers with 2.9 or higher bb/9 allowed in 2021

	NAME	BB/9	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	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Fernando Abad F. Abad	3.57	2021	BAL	16	0	0		0	5.60	10	0	0	0	17.2	23	11	12	1	7	0	4	1	82	0	5.09	1.43	0.51	12.2	8.5	1.70	.344	6.11	127	3.95	87	11.72	1.1
2	Albert Abreu A. Abreu	4.66	2021	NYY	28	2	0	1.000	0	5.15	35	0	0	1	36.2	27	21	21	8	19	3	14	1	156	3	8.59	1.84	1.96	22.4	12.2	1.25	.209	5.15	122	5.89	136	6.63	-6.3
3	Bryan Abreu B. Abreu	4.50	2021	HOU	31	3	3	.500	0	5.75	36	0	0	1	36.0	35	23	26	4	18	3	3	0	161	4	9.00	2.00	1.00	22.4	11.2	1.47	.310	6.50	134	4.36	103	8.75	-0.5
4	Domingo Acevedo D. Acevedo	3.27	2021	OAK	10	0	0		0	3.27	9	0	0	0	11.0	9	4	4	3	4	0	7	0	44	0	7.36	2.25	2.45	20.5	9.1	1.18	.214	3.27	80	6.16	149	7.36	-2.6
5	Jason Adam J. Adam	5.06	2021	CHC	12	1	0	1.000	0	5.91	19	0	0	0	10.2	10	7	7	1	6	3	4	0	50	0	16.03	3.17	0.84	38.0	12.0	1.50	.429	5.91	142	3.35	80	8.44	1
6	Austin Adams A. Adams	5.98	2021	SDP	65	3	2	.600	0	4.10	76	0	0	0	52.2	28	24	28	1	35	24	18	2	241	4	12.99	2.17	0.17	31.5	14.5	1.20	.257	4.78	104	3.88	93	4.78	1.8
7	Miguel Aguilar M. Aguilar	5.14	2021	ARI	9	1	1	.500	0	6.43	3	0	0	0	7.0	6	5	6	0	4	0	2	1	29	0	3.86	0.75	0.00	10.3	13.8	1.43	.273	7.71	153	4.02	98	7.71	0.1
8	R.J. Alaniz	10.13	2021	CIN	3	0	0		0	3.38	3	0	0	0	2.2	1	1	1	1	3	1	0	0	13	0	10.13	1.00	3.38	23.1	23.1	1.50	.000	3.38	77	10.29	231	3.38	-1.6
9	Andrew Albers A. Albers	4.26	2021	MIN	5	1	2	.333	3	7.58	12	0	0	0	19.0	24	16	16	9	9	1	2	1	89	0	5.68	1.33	4.26	13.5	10.1	1.74	.259	7.58	177	9.64	228	11.37	-11.5
10	Yency Almonte Y. Almonte	5.48	2021	COL	48	1	3	.250	0	7.55	47	0	0	0	47.2	47	40	42	9	29	4	15	1	217	3	8.87	1.62	1.70	21.7	13.4	1.59	.297	7.93	157	5.72	129	8.87	-6.3
11	Albert Almora Jr. A. Almora Jr.	9.00	2021	NYM	1	0	0		0	27.00	0	0	0	0	1.0	1	3	3	1	1	1	1	0	6	0	0.00	0.00	9.00	0.0	16.7	2.00	.000	27.00	677	22.16	528	9.00	-2
12	José Alvarado J. Alvarado	7.60	2021	PHI	64	7	1	.875	0	4.20	68	0	0	5	55.2	42	26	30	5	47	7	10	5	251	9	10.99	1.45	0.81	27.1	18.7	1.60	.298	4.85	100	4.80	111	6.79	-2.8
13	Chase Anderson C. Anderson	3.75	2021	PHI	14	2	4	.333	9	6.75	35	0	0	0	48.0	51	36	36	10	20	3	2	1	215	0	6.56	1.75	1.88	16.3	9.3	1.48	.279	6.75	161	5.85	135	9.56	-7.9
14	Nick Anderson N. Anderson	3.00	2021	TBR	6	0	1	.000	0	4.50	1	0	0	1	6.0	4	3	3	2	2	0	2	0	24	0	1.50	0.50	3.00	4.2	8.3	1.00	.105	4.50	110	8.16	199	6.00	-2.8
15	Shaun Anderson S. Anderson	4.63	2021	TOT	16	0	0		0	8.49	19	0	0	0	23.1	36	22	30	4	12	2	6	1	124	3	7.33	1.58	1.54	15.3	9.7	2.06	.368	11.57	198	5.56	127	13.89	-2.9
16	Tejay Antone T. Antone	3.48	2021	CIN	23	2	0	1.000	0	2.14	42	0	0	3	33.2	17	8	8	3	13	3	4	0	128	1	11.23	3.23	0.80	32.8	10.2	0.89	.209	2.14	49	3.25	73	4.54	4.3
17	Chris Archer C. Archer	3.72	2021	TBR	6	1	1	.500	5	4.66	21	0	0	0	19.1	18	10	11	3	8	0	0	0	83	1	9.78	2.63	1.40	25.3	9.6	1.34	.294	5.12	113	4.25	103	8.38	-0.4
18	Shawn Armstrong S. Armstrong	3.75	2021	TOT	31	1	0	1.000	0	6.75	44	0	0	0	36.0	39	27	28	10	15	2	11	0	165	0	11.00	2.93	2.50	26.7	9.1	1.50	.309	7.00	157	5.75	132	9.75	-5.5
19	Jake Arrieta J. Arrieta	4.01	2021	TOT	24	5	14	.263	24	7.39	83	0	0	0	98.2	131	81	91	24	44	6	0	3	469	3	7.57	1.89	2.19	17.7	9.4	1.77	.343	8.30	180	6.16	147	11.95	-21.8
20	Christian Arroyo C. Arroyo	9.00	2021	BOS	1	0	0		0	0.00	0	0	0	0	1.0	1	0	2	1	1	0	1	0	5	0	0.00	0.00	9.00	0.0	20.0	2.00	.000	18.00	0	19.16	444	9.00	-1.6
21	Willians Astudillo W. Astudillo	4.50	2021	MIN	4	0	0		0	2.25	0	0	0	0	4.0	1	1	1	1	2	0	4	0	16	0	0.00	0.00	2.25	0.0	12.5	0.75	.000	2.25	53	7.91	187	2.25	-1.7
22	Luis Avilan L. Avilan	5.40	2021	WSH	4	0	1	.000	0	12.60	4	0	0	0	5.0	7	7	7	1	3	1	0	0	27	0	7.20	1.33	1.80	14.8	11.1	2.00	.333	12.60	300	6.56	153	12.60	-1.3
23	John Axford J. Axford	27.00	2021	MIL	1	0	0		0	54.00	0	0	0	0	0.1	2	2	2	0	1	1	0	0	5	0	0.00	0.00	0.00	0.0	20.0	9.00	.667	54.00	1287	21.16	494	54.00	-0.6
24	Alberto Baldonado A. Baldonado	5.91	2021	WSH	14	0	1	.000	0	8.44	12	0	0	0	10.2	10	10	10	3	7	0	1	0	49	1	10.13	1.71	2.53	24.5	14.3	1.59	.259	8.44	201	6.54	153	8.44	-2.6
25	Anthony Banda A. Banda	3.48	2021	TOT	30	2	2	.500	0	4.28	32	0	0	0	33.2	39	16	18	6	13	2	5	1	153	3	8.55	2.46	1.60	20.9	8.5	1.54	.330	4.81	103	4.91	116	10.43	-2.6