lowest amount of walks thrown by a pitcher at age 39 in a season with at least 10 games played

Terry Leach has given up the fewest walks by a 39-year-old pitcher with 10+ games pitched in a season, with 2 allowed in 1993.

	NAME	BB	AGE	G	SEASON	TM	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	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	Terry Leach T. Leach	2	39	14	1993	CWS	0	0		0	2.81	3	0	0	1	16.0	15	5	5	0	1	8	1	64	0	1.69	1.13	1.50	0.00	4.7	3.1	1.06	.259	2.81	67	3.17	74	8.44	2
2	Chris Martin C. Martin	3	39	23	2025	TEX	0	4	.000	0	1.74	24	0	0	1	20.2	15	4	8	1	0	5	2	80	1	10.45	1.31	8.00	0.44	30.0	3.8	0.87	.269	3.48	44	1.80	44	6.53	5.2
3	Ed Vosberg E. Vosberg	3	39	18	2001	PHI	0	0		0	2.84	11	0	0	0	12.2	8	4	4	0	0	4	0	46	0	7.82	2.13	3.67	0.00	23.9	6.5	0.87	.250	2.84	67	2.02	47	5.68	3.3
4	Scott Atchison S. Atchison	4	39	23	2015	CLE	1	1	.500	0	6.86	12	0	0	0	19.2	23	15	15	6	1	7	0	87	3	5.49	1.83	3.00	2.75	13.8	4.6	1.37	.266	6.86	168	6.64	164	10.53	-5.7
5	Randy Choate R. Choate	5	39	71	2015	STL	1	0	1.000	0	3.95	22	0	0	1	27.1	29	12	14	2	6	4	0	117	1	7.24	1.65	4.40	0.66	18.8	4.3	1.24	.329	4.61	104	3.68	96	9.55	0.5
6	Troy Percival T. Percival	5	39	14	2009	TBR	0	1	.000	0	6.35	7	0	0	6	11.1	14	8	8	3	1	10	0	52	2	5.56	3.97	1.40	2.38	13.5	9.6	1.68	.306	6.35	150	6.88	159	11.12	-3.3
7	Syl Johnson S. Johnson	5	39	17	1940	PHN	2	2	.500	2	4.20	13	2	0	2	40.2	37	19	22	6	0	13		165	1	2.88	1.11	2.60	1.33	7.9	3.0	1.03	.220	4.87	109	4.48	114	8.19	-2.5
8	Sergio Romo S. Romo	6	39	23	2022	TOT	0	1	.000	0	7.50	14	0	0	0	18.0	19	15	16	7	0	5	1	79	2	7.00	3.00	2.33	3.50	17.7	7.6	1.39	.231	8.00	201	7.61	197	9.50	-7.7
9	Matt Thornton M. Thornton	6	39	18	2016	SDP	1	0	1.000	0	5.82	9	0	0	0	17.0	22	11	12	2	1	8	0	77	0	4.76	3.18	1.50	1.06	11.7	7.8	1.65	.339	6.35	144	4.84	119	11.65	-1.5
10	Dick Hall D. Hall	6	39	32	1970	BAL	10	5	.667	0	3.08	30	0	0	3	61.1	51	21	25	8	0	17	2	232	0	4.40	0.88	5.00	1.17	12.9	2.6	0.93	.229	3.67	84	3.64	94	7.48	1.6
11	Bud Byerly B. Byerly	6	39	19	1960	SFG	1	0	1.000	0	5.32	13	0	0	2	22.0	32	13	14	3	1	9	0	106	1	5.32	2.45	2.17	1.23	12.3	5.7	1.73	.349	5.73	146	4.07	115	13.09	-1.4
12	Joel Peralta J. Peralta	8	39	33	2015	LAD	3	1	.750	0	4.34	24	0	0	3	29.0	28	14	14	6	0	7	1	121	1	7.45	2.48	3.00	1.86	19.8	6.6	1.24	.265	4.34	116	4.99	131	8.69	-3.9
13	Koji Uehara K. Uehara	8	39	64	2014	BOS	6	5	.545	0	2.52	80	0	0	26	64.1	51	18	18	10	1	50	0	249	1	11.19	1.12	10.00	1.40	32.1	3.2	0.92	.273	2.52	63	3.08	82	7.13	4.8
14	Jose Contreras J. Contreras	8	39	17	2011	PHI	0	0		0	3.86	13	0	0	5	14.0	11	6	6	0	1	8	0	60	0	8.36	5.14	1.63	0.00	21.7	13.3	1.36	.289	3.86	100	3.09	80	7.07	1.2
15	Ron Mahay R. Mahay	8	39	41	2010	MIN	1	1	.500	0	3.44	25	0	0	0	34.0	33	13	15	5	0	11	0	141	1	6.62	2.12	3.13	1.32	17.7	5.7	1.21	.272	3.97	82	4.22	102	8.74	-0.4
16	Matt Herges M. Herges	8	39	30	2009	TOT	3	1	.750	0	3.38	26	0	0	0	34.2	34	13	14	5	0	11	0	147	0	6.75	2.08	3.25	1.30	17.7	5.4	1.21	.269	3.63	76	4.15	95	8.83	0.9
17	Doug Brocail D. Brocail	8	39	25	2006	SDP	2	2	.500	0	4.76	19	0	0	0	28.1	27	15	16	1	0	6	2	119	1	6.04	2.54	2.38	0.32	16.0	6.7	1.24	.286	5.08	115	3.10	71	8.58	4
18	Lee Smith L. Smith	8	39	25	1997	MON	0	1	.000	0	5.82	15	0	0	5	21.2	28	14	16	2	1	14	0	100	0	6.23	3.32	1.88	0.83	15.0	8.0	1.66	.351	6.65	138	4.16	99	11.63	0.1
19	Larry Andersen L. Andersen	8	39	34	1992	SDP	1	1	.500	0	3.34	35	0	0	2	35.0	26	13	14	2	1	13	2	140	0	9.00	2.06	4.38	0.51	25.0	5.7	0.97	.255	3.60	94	2.29	64	6.69	4.9
20	John Candelaria J. Candelaria	9	39	24	1993	PIT	0	3	.000	0	8.24	17	0	0	1	19.2	25	18	19	2	1	6	1	92	1	7.78	4.12	1.89	0.92	18.5	9.8	1.73	.365	8.69	204	4.10	102	11.44	-0.2
21	Dennis Lamp D. Lamp	9	39	21	1992	PIT	1	1	.500	0	5.14	15	0	0	0	28.0	33	16	16	3	2	2	4	125	0	4.82	2.89	1.67	0.96	12.0	7.2	1.50	.313	5.14	148	4.28	124	10.61	-2.7
22	Hank Aguirre H. Aguirre	9	39	17	1970	CHC	3	0	1.000	0	4.50	11	0	0	1	14.0	13	7	10	3	1	3	1	64	0	7.07	5.79	1.22	1.93	17.2	14.1	1.57	.250	6.43	100	5.99	141	8.36	-2.4
23	Bill Henry B. Henry	9	39	28	1967	SFG	2	0	1.000	1	2.08	23	0	0	2	21.2	16	5	5	1	2	12	4	94	1	9.55	3.74	2.56	0.42	24.5	9.6	1.15	.254	2.08	62	2.54	78	6.65	1.7
24	Mordecai Brown M. Brown	9	39	12	1916	CHC	2	3	.400	4	3.91	21	2	0	0	48.1	52	21	27	0	4	7		203	2	3.91	1.68	2.33	0.00	10.3	4.4	1.26	.308	5.03	145	2.25	83	9.68	2.5
25	Darren O'Day D. O'Day	10	39	28	2022	ATL	2	2	.500	0	4.15	26	0	0	0	21.2	19	10	12	3	1	3	2	94	0	10.80	4.15	2.60	1.25	27.7	10.6	1.34	.296	4.98	102	4.03	102	7.89	-0.2