Duke Esper walked 669 batters in his career.

walker jesper in his career

	NAME	BB	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Duke Esper D. Esper	93	1890	TOT	25	13	11	.542	23	4.55	88	20	1	0	201.2	234	102	137	2	6	2	931	3	3.93	4.15	0.95	0.09	9.5	10.0	1.62	.313	6.11	121	3.64	99	10.44	0.6
2	Duke Esper D. Esper	121	1891	PHN	39	20	15	.571	36	3.56	108	25	1	1	296.0	302	117	185	8	7	2	1,315	5	3.28	3.68	0.89	0.24	8.2	9.2	1.43	.275	5.63	105	3.45	98	9.18	2.5
3	Duke Esper D. Esper	72	1892	TOT	24	13	6	.684	21	3.63	50	15	0	1	178.2	189	72	97	2	1	3	798	2	2.52	3.63	0.69	0.10	6.3	9.0	1.46	.278	4.89	111	3.25	99	9.52	0.5
4	Duke Esper D. Esper	156	1893	WSH	42	12	28	.300	36	4.71	78	34	0	0	334.1	442	175	277	14	12	6	1,599	6	2.10	4.20	0.50	0.38	4.9	9.8	1.79	.320	7.46	100	4.83	103	11.90	-3.7
5	Duke Esper D. Esper	75	1894	TOT	34	15	12	.556	23	5.81	49	15	0	2	217.0	284	140	188	9	3	10	987	1	2.03	3.11	0.65	0.37	5.0	7.6	1.65	.323	7.80	108	4.98	93	11.78	9.9
6	Duke Esper D. Esper	79	1895	BAL	34	10	12	.455	25	3.92	39	16	1	1	218.1	248	95	132	2	0	9	960	4	1.61	3.26	0.49	0.08	4.1	8.2	1.50	.293	5.44	82	4.43	93	10.22	8.4
7	Duke Esper D. Esper	39	1896	BAL	20	14	5	.737	18	3.58	19	14	1	0	155.2	168	62	80	3	2	2	656	1	1.10	2.25	0.49	0.17	2.9	5.9	1.33	.278	4.63	83	4.09	95	9.71	3.6
8	Duke Esper D. Esper	12	1897	STL	8	1	6	.143	8	5.28	8	7	0	0	61.1	95	36	51	5	1	0	284	0	1.17	1.76	0.67	0.73	2.8	4.2	1.74	.349	7.48	120	4.75	108	13.94	-2.2
9	Duke Esper D. Esper	22	1898	STL	10	3	5	.375	8	5.98	14	6	0	0	64.2	86	43	49	1	0	1	294	2	1.95	3.06	0.64	0.14	4.8	7.5	1.67	.331	6.82	166	3.56	99	11.97	0.3
	Total	669			236	101	100	.502	198	4.39	453	152	4	5	1727.2	2,048	842	1,196	46	32	35	7,824	24	2.36	3.49	0.68	0.24	5.8	8.6	1.57	.302	6.23	105	4.14	98	10.67	19.9