4 players were tied for playing the most seasons with fewer than 0.50 BB/9, with 4 seasons. The first three are Tucker Barnhart, Luke Maile and Kevin Plawecki.

Interpreted as:

most years by a player with <.5 bb/9

	NAME	SEAS	BB/9	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Tucker Barnhart T. Barnhart	4	0.00	7	0	0		0	7.88	0	0	0	0	8.0	19	7	7	1	0	1	7	0	42	0	0.00	1.13	0.0	0.0	2.38	.450	7.88	192	5.19	126	21.38	-0.9
2	Luke Maile L. Maile	4	0.00	10	0	0		0	12.27	3	0	0	0	11.0	21	15	15	6	0	1	10	0	56	0	2.45	4.91	5.4	0.0	1.91	.326	12.27	273	10.02	223	17.18	-6.4
3	Kevin Plawecki K. Plawecki	4	0.00	6	0	0		0	5.14	0	0	0	0	7.0	6	4	4	3	0	0	6	0	27	0	0.00	3.86	0.0	0.0	0.86	.125	5.14	126	8.73	206	7.71	-3.5
4	Bryan Holaday B. Holaday	4	0.00	5	0	0		0	6.75	1	0	0	0	4.0	6	3	3	1	0	0	5	0	18	1	2.25	2.25	5.6	0.0	1.50	.313	6.75	177	5.91	145	13.50	-0.8
5	Ernie Clement E. Clement	3	0.00	4	0	0		0	13.50	0	0	0	0	4.0	11	6	6	2	0	1	4	0	23	1	0.00	4.50	0.0	0.0	2.75	.450	13.50	347	10.41	264	24.75	-2.9
6	Danny Mendick D. Mendick	3	0.00	4	0	0		0	18.00	1	0	0	0	4.0	12	8	8	2	0	1	4	0	24	0	2.25	4.50	4.2	0.0	3.00	.500	18.00	428	9.96	230	27.00	-2.5
7	Tyler Heineman T. Heineman	3	0.00	5	0	0		0	20.25	0	0	0	0	5.1	17	12	12	1	0	2	4	0	34	0	0.00	1.69	0.0	0.0	3.19	.516	20.25	500	6.71	161	28.69	-1.5
8	Max Schrock M. Schrock	3	0.00	4	0	0		0	12.27	1	0	0	0	3.2	7	5	5	2	0	0	4	0	19	0	2.45	4.91	5.3	0.0	1.91	.313	12.27	289	9.70	230	17.18	-2.1
9	Jacob Stallings J. Stallings	3	0.00	9	0	0		0	4.09	2	0	0	0	11.0	14	5	5	1	0	2	9	0	47	0	1.64	0.82	4.3	0.0	1.27	.310	4.09	90	4.59	105	11.45	-0.3
10	Charlie Culberson C. Culberson	3	0.00	4	0	0		0	2.70	0	0	0	0	3.1	4	1	1	0	0	0	4	0	13	0	0.00	0.00	0.0	0.0	1.20	.308	2.70	66	3.16	74	10.80	0.4
11	Brandon Dixon B. Dixon	3	0.00	5	0	0		0	4.15	2	0	0	0	4.1	1	2	2	1	0	2	5	0	16	0	4.15	2.08	12.5	0.0	0.23	.000	4.15	90	6.66	148	2.08	-1.1
12	Jedd Gyorko J. Gyorko	3	0.00	3	0	0		0	3.86	1	0	0	0	2.1	3	1	1	1	0	1	3	0	11	0	3.86	3.86	9.1	0.0	1.29	.250	3.86	100	9.17	228	11.57	-1.3
13	Daniel Robertson D. Robertson	3	0.00	3	0	0		0	0.00	0	0	0	0	3.0	2	0	0	0	0	0	3	0	10	0	0.00	0.00	0.0	0.0	0.67	.200	0.00	0	3.17	75	6.00	0.4
14	Mike Freeman M. Freeman	3	0.00	3	0	0		0	8.10	1	0	0	0	3.1	5	3	3	1	0	0	3	0	15	0	2.70	2.70	6.7	0.0	1.50	.308	8.10	182	6.48	144	13.50	-0.8
15	Jesus Sucre J. Sucre	3	0.00	5	0	0		0	11.25	0	0	0	0	4.0	10	5	5	1	0	0	4	0	21	0	0.00	2.25	0.0	0.0	2.50	.450	11.25	285	6.40	158	22.50	-1
16	Drew Butera D. Butera	3	0.00	5	0	0		0	5.79	4	0	0	0	4.2	6	3	3	1	0	0	5	0	20	0	7.71	1.93	20.0	0.0	1.29	.333	5.79	149	4.22	111	11.57	-0.1
17	Daniel Descalso D. Descalso	3	0.00	4	0	0		0	5.40	0	0	0	0	3.1	2	2	2	1	0	0	3	0	12	0	0.00	2.70	0.0	0.0	0.60	.091	5.40	122	7.06	162	5.40	-1
18	Chris Gimenez C. Gimenez	3	0.00	9	0	0		0	8.00	1	0	0	0	9.0	11	8	8	2	0	0	9	0	38	0	1.00	2.00	2.6	0.0	1.22	.257	8.00	182	5.81	134	11.00	-1.5
19	Mitch Moreland M. Moreland	3	0.00	3	0	0		0	0.00	2	0	0	0	3.0	3	0	0	0	0	0	3	0	12	0	6.00	0.00	16.7	0.0	1.00	.300	0.00	0	1.81	45	9.00	0.8
20	Aaron Miles A. Miles	3	0.00	5	0	0		0	3.60	0	0	0	0	5.0	5	2	2	1	0	1	5	0	20	0	0.00	1.80	0.0	0.0	1.00	.222	3.60	84	6.34	148	9.00	-1.2
21	Mark Ross M. Ross	3	0.00	7	1	0	1.000	0	1.93	5	0	0	0	9.1	5	2	2	1	0	0	3	0	33	0	4.82	0.96	15.2	0.0	0.54	.148	1.93	52	3.06	81	4.82	0.5
22	Juan Agosto J. Agosto	3	0.00	9	0	0		0	7.24	7	0	0	0	13.2	20	11	11	2	0	1	5	0	61	0	4.61	1.32	11.5	0.0	1.46	.353	7.24	187	3.88	103	13.17	-0.1
23	Frank Isbell F. Isbell	3	0.00	3	0	0		0	2.70	2	0	0	1	3.1	3	1	1	0	0	0	3		13	1	5.40	0.00	15.4	0.0	0.90	.273	2.70	78	1.32	44	8.10	0.5
24	John Morrill J. Morrill	3	0.00	3	0	0		0	0.00	4	0	0	0	6.1	8	0	1	0	0	0	2		25	1	5.68	0.00	16.0	0.0	1.26	.381	1.42	0	1.73	54	11.37	1
25	Ned Williamson N. Williamson	3	0.00	7	1	1	.500	1	1.33	6	1	0	3	27.0	18	4	11	0	0		6		106	1	2.00	0.00	5.7	0.0	0.67		3.67	47	2.33	78	6.00	2.2