most walks in a month by a player mlb from 1950 to 2000

Between the 1950 and 2000 seasons, Ted Williams had the most bases on balls in a month, with 45 walks in July 1954.

	NAME	BB	MONTH	G	AB	R	H	2B	3B	HR	RBI	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Ted Williams T. Williams	45	July 1954	33	104	31	40	7	0	11	29	0	9	0	0	152	80	18	0	3		2	.385	.559	.769	1.328
2	Mickey Mantle M. Mantle	42	July 1957	30	95	31	28	1	2	7	20	0	13	5	2	139	54	10	0	2	9	2	.295	.504	.568	1.072
3	Jack Clark J. Clark	41	July 1987	25	71	17	19	3	0	6	19	0	28	1	1	113	40	9	0	1	6	0	.268	.531	.563	1.094
4	Ted Williams T. Williams	40	August 1954	30	99	25	33	6	0	7	24	0	8	0	0	139	60	13	0	0		3	.333	.525	.606	1.131
5	Ralph Kiner R. Kiner	39	August 1951	33	104	28	30	5	1	11	24	0	11	1	0	143	70	17	0			3	.288	.483	.673	1.156
6	Eddie Stanky E. Stanky	38	August 1950	30	95	28	29	4	2	0	11	3	9	2		136	37	6	0			1	.305	.515	.389	.904
7	Frank Thomas F. Thomas	36	May 1995	25	81	18	25	5	0	6	17	2	14	1	0	119	48	11	0	0	10	1	.309	.529	.593	1.122
8	Barry Bonds B. Bonds	35	September 1996	26	69	20	22	2	0	7	20	0	7	15	4	108	45	9	0	4	9	1	.319	.528	.652	1.180
9	Eddie Yost E. Yost	35	May 1956	28	88	18	20	6	1	2	8	3	15	1	0	128	34	9	2	0	1	1	.227	.460	.386	.847
10	Ferris Fain F. Fain	35	August 1952	34	123	29	41	12	1	1	18	0	8	2	2	159	58	14	1			5	.333	.481	.472	.953
11	Eddie Joost E. Joost	35	July 1952	35	124	31	34	2	2	9	26	2	23	2	3	161	67	13	0			2	.274	.441	.540	.981
12	Dave Hollins D. Hollins	34	May 1995	28	90	26	21	5	1	3	10	1	16	1	0	127	37	9	0	2	4	2	.233	.441	.411	.852
13	Gene Tenace G. Tenace	34	July 1977	23	62	13	10	3	0	2	5	0	20	1	1	97	19	5	0	1	5	2	.161	.454	.306	.760
14	Eddie Yost E. Yost	34	July 1959	30	94	25	23	3	0	1	8	3	14	3	0	132	29	4	0	1	1	2	.245	.455	.309	.763
15	Eddie Yost E. Yost	34	August 1954	34	123	19	31	5	0	1	11	1	18	4	1	160	39	6	2	0		1	.252	.418	.317	.735
16	Eddie Yost E. Yost	34	July 1951	32	108	30	28	6	0	1	10	6	10	1	1	149	37	7	1			0	.259	.459	.343	.802
17	Eddie Yost E. Yost	34	August 1950	31	106	22	32	5	0	0	11	2	14	0		144	37	5	2			2	.302	.479	.349	.828
18	Mark McGwire M. McGwire	33	July 1998	27	80	19	17	0	0	8	13	1	18	0	0	115	41	8	0	1	10	4	.213	.443	.513	.956
19	Mark McGwire M. McGwire	33	May 1998	26	86	25	28	2	0	16	32	0	27	0	0	119	78	18	0	0	5	0	.326	.513	.907	1.420
20	Jim Thome J. Thome	33	August 1995	28	75	15	23	9	0	1	9	2	18	1	1	111	35	10	0	1	0	1	.307	.523	.467	.989
21	Barry Bonds B. Bonds	33	September 1992	28	92	28	37	10	1	9	25	0	14	9	0	126	76	20	0	1	9	1	.402	.556	.826	1.382
22	Dale Murphy D. Murphy	33	May 1987	28	97	25	31	3	0	11	20	1	25	2	2	132	67	14	0	1	7	4	.320	.492	.691	1.183
23	Reggie Jackson R. Jackson	33	August 1969	31	111	23	28	5	1	5	21	2	32	2	0	146	50	11	0	0	8	1	.252	.432	.450	.882
24	Carl Yastrzemski C. Yastrzemski	33	June 1968	28	83	20	20	1	1	4	10	0	21	2	0	116	35	6	0	0	5	1	.241	.457	.422	.879
25	Harmon Killebrew H. Killebrew	33	June 1967	29	88	22	21	1	0	12	25	0	18	0	0	121	58	13	0	0	4	3	.239	.446	.659	1.105