Billy Koch allowed the most walks by a relief pitcher in 2002, with 46 allowed.

	NAME	BB	SEASON	TM	G	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	H/9
1	Billy Koch B. Koch	46	2002	OAK	84	11	4	.733	0	3.27	93	0	0	44	93.2	73	34	38	7	4	79	6	398	5	8.94	4.42	2.02	0.67	23.4	11.6	1.27	.266	3.65	7.01
2	Kelvim Escobar K. Escobar	44	2002	TOR	76	5	7	.417	0	4.27	85	0	0	38	78.0	75	37	39	10	5	68	6	355	4	9.81	5.08	1.93	1.15	23.9	12.4	1.53	.308	4.50	8.65
3	Corey Thurman C. Thurman	43	2002	TOR	42	2	2	.500	0	3.88	52	0	0	0	65.0	59	28	29	10	2	5	2	294	4	7.20	5.95	1.21	1.38	17.7	14.6	1.57	.262	4.02	8.17
4	Jose Mesa J. Mesa	39	2002	PHI	74	4	6	.400	0	2.97	64	0	0	45	75.2	65	25	26	5	4	64	7	331	9	7.61	4.64	1.64	0.59	19.3	11.8	1.37	.274	3.09	7.73
5	Dave Veres D. Veres	39	2002	STL	71	5	8	.385	0	3.48	68	0	0	4	82.2	67	32	34	12	2	26	4	346	7	7.40	4.25	1.74	1.31	19.7	11.3	1.28	.244	3.70	7.29
6	Mike DeJean M. DeJean	39	2002	MIL	68	1	5	.167	0	3.12	65	0	0	27	75.0	66	26	28	7	2	60	8	326	7	7.80	4.68	1.67	0.84	19.9	12.0	1.40	.277	3.36	7.92
7	Brandon Puffer B. Puffer	38	2002	HOU	55	3	3	.500	0	4.43	48	0	0	0	69.0	67	34	37	3	5	19	8	310	2	6.26	4.96	1.26	0.39	15.5	12.3	1.52	.296	4.83	8.74
8	Steve Kent S. Kent	38	2002	TBD	34	0	2	.000	0	5.65	41	0	0	1	57.1	67	36	41	6	3	10	0	272	2	6.44	5.97	1.08	0.94	15.1	14.0	1.83	.332	6.44	10.52
9	Sean Lowe S. Lowe	38	2002	TOT	50	5	2	.714	0	5.33	62	0	0	0	76.0	93	45	52	9	7	8	6	359	1	7.34	4.50	1.63	1.07	17.3	10.6	1.72	.346	6.16	11.01
10	Kevin Gryboski K. Gryboski	37	2002	ATL	57	2	1	.667	0	3.48	33	0	0	0	51.2	50	20	20	6	5	10	5	238	2	5.75	6.45	0.89	1.05	13.9	15.5	1.68	.280	3.48	8.71
11	Mike Fetters M. Fetters	37	2002	TOT	65	3	3	.500	0	4.09	53	0	0	0	55.0	53	25	31	4	3	22	6	252	8	8.67	6.05	1.43	0.65	21.0	14.7	1.64	.316	5.07	8.67
12	Vladimir Nunez V. Nunez	37	2002	FLA	77	6	5	.545	0	3.41	73	0	0	20	97.2	80	37	38	8	0	43	1	404	2	6.73	3.41	1.97	0.74	18.1	9.2	1.20	.252	3.50	7.37
13	Jason Grimsley J. Grimsley	37	2002	KCR	70	4	7	.364	0	3.91	59	0	0	1	71.1	64	31	32	4	1	26	8	310	8	7.44	4.67	1.59	0.50	19.0	11.9	1.42	.287	4.04	8.07
14	Tony Fiore T. Fiore	36	2002	MIN	46	9	2	.818	0	2.79	48	0	0	0	80.2	61	25	25	9	5	11	3	334	1	5.36	4.02	1.33	1.00	14.4	10.8	1.20	.220	2.79	6.81
15	Rick Bauer R. Bauer	36	2002	BAL	55	6	6	.500	0	3.71	43	0	0	1	77.2	75	32	36	10	4	15	4	332	4	4.98	4.17	1.19	1.16	13.0	10.8	1.43	.272	4.17	8.69
16	Antonio Alfonseca A. Alfonseca	36	2002	CHC	66	2	5	.286	0	4.00	61	0	0	19	74.1	73	33	34	5	3	55	3	330	1	7.39	4.36	1.69	0.61	18.5	10.9	1.47	.302	4.12	8.84
17	J.C. Romero	36	2002	MIN	81	9	2	.818	0	1.89	76	0	0	1	81.0	62	17	17	3	4	15	4	332	9	8.44	4.00	2.11	0.33	22.9	10.8	1.21	.277	1.89	6.89
18	David Weathers D. Weathers	36	2002	NYM	71	6	3	.667	0	2.91	61	0	0	0	77.1	69	25	30	6	3	12	7	331	2	7.10	4.19	1.69	0.70	18.4	10.9	1.36	.280	3.49	8.03
19	Scott Williamson S. Williamson	36	2002	CIN	63	3	4	.429	0	2.92	84	0	0	8	74.0	46	24	27	5	2	23	5	299	8	10.22	4.38	2.33	0.61	28.1	12.0	1.11	.238	3.28	5.59
20	David Coggin D. Coggin	35	2002	PHI	31	2	2	.500	0	2.74	46	0	0	0	49.1	33	15	16	0	2	7	1	208	7	8.39	6.39	1.31	0.00	22.1	16.8	1.38	.264	2.92	6.02
21	Doug Creek D. Creek	35	2002	TOT	52	3	2	.600	0	5.82	56	0	0	0	55.2	57	36	37	10	7	17	2	262	4	9.05	5.66	1.60	1.62	21.4	13.4	1.65	.305	5.98	9.22
22	David Riske D. Riske	35	2002	CLE	51	2	2	.500	0	5.26	65	0	0	1	51.1	49	30	32	8	4	17	4	237	1	11.40	6.14	1.86	1.40	27.4	14.8	1.64	.328	5.61	8.59
23	Victor Zambrano V. Zambrano	35	2002	TBD	31	4	4	.500	0	7.21	31	0	0	1	48.2	50	39	40	8	2	11	4	228	7	5.73	6.47	0.89	1.48	13.6	15.4	1.75	.276	7.40	9.25
24	Jeremy Fikac J. Fikac	34	2002	SDP	65	4	7	.364	0	5.35	66	0	0	0	69.0	74	41	50	13	3	15	8	318	6	8.61	4.43	1.94	1.70	20.8	10.7	1.57	.302	6.52	9.65
25	Al Levine A. Levine	34	2002	ANA	52	4	4	.500	0	4.24	40	0	0	5	63.2	61	30	35	8	2	21	3	286	2	5.65	4.81	1.18	1.13	14.0	11.9	1.49	.262	4.95	8.62