Jesse Orosco was the oldest in 2003. He was 46 years old.

	NAME	AGE	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Jesse Orosco J. Orosco	46	2003	TOT
2	Julio Franco J. Franco	44	2003	ATL	103	197	28	58	12	2	5	31	25	0	43	0	1	223	89	19	0	1	5	8	.294	.372	.452	.824	32	4.8	.353	112	3.5
3	Rickey Henderson R. Henderson	44	2003	LAD	30	72	7	15	1	0	2	5	11	1	16	3	0	84	22	3	0	0	0	0	.208	.321	.306	.627	8	-2.6	.291	77	-2.5
4	John Franco J. Franco	42	2003	NYM
5	Andres Galarraga A. Galarraga	42	2003	SFG	110	272	36	82	15	0	12	42	19	2	61	1	3	293	133	27	0	0	1	9	.301	.352	.489	.841	44	8.6	.363	121	8
6	Dan Plesac D. Plesac	41	2003	PHI
7	Pat Borders P. Borders	40	2003	SEA	12	14	1	2	1	0	0	1	1	0	5	0	0	15	3	1	0	0	0	0	.143	.200	.214	.414	0	-1.7	.190	10	-1.7
8	Roger Clemens R. Clemens	40	2003	NYY	1	1	0	0	0	0	0	0	0	0	1	0	0	2	0	0	1	0	0	0	.000	.000	.000	.000	0	-0.5	.000	-120	-0.6
9	David Cone D. Cone	40	2003	NYM	5	4	0	1	0	0	0	0	0	0	1	0	0	4	1	0	0	0	0	0	.250	.250	.250	.500	0	-0.4	.223	30	-0.4
10	Jeff Fassero J. Fassero	40	2003	STL	59	9	0	0	0	0	0	0	0	0	4	0	0	10	0	0	1	0	0	0	.000	.000	.000	.000	-2	-2.7	.000	-116	-2.8
11	Edgar Martinez E. Martinez	40	2003	SEA	145	497	72	146	25	0	24	98	92	7	95	0	1	603	243	49	0	7	7	17	.294	.406	.489	.895	104	30	.387	143	32.2
12	Jamie Moyer J. Moyer	40	2003	SEA	2	5	1	2	0	0	0	0	0	0	1	0	0	6	2	0	1	0	0	0	.400	.400	.400	.800	1	0.1	.356	122	0.2
13	Terry Mulholland T. Mulholland	40	2003	CLE	5	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.3	.000	-119	-0.3
14	Rich Rodriguez R. Rodriguez	40	2003	ANA
15	David Wells D. Wells	40	2003	NYY	2	6	0	1	1	0	0	0	0	0	1	0	0	6	2	1	0	0	0	0	.167	.167	.333	.500	0	-0.6	.208	19	-0.6
16	Mark Grace M. Grace	39	2003	ARI	66	135	13	27	5	0	3	16	16	0	15	0	0	155	41	8	1	3	2	6	.200	.279	.304	.583	10	-9.2	.257	45	-11
17	Trenidad Hubbard T. Hubbard	39	2003	CHC	10	16	2	4	1	0	0	2	4	1	3	1	0	21	5	1	0	0	0	0	.250	.429	.313	.741	3	0.5	.356	114	0.4
18	Randy Johnson R. Johnson	39	2003	ARI	17	36	2	7	0	0	1	3	0	0	17	0	0	38	10	1	2	0	0	0	.194	.194	.278	.472	1	-3.9	.204	10	-4.4
19	Barry Larkin B. Larkin	39	2003	CIN	70	241	39	68	16	1	2	18	22	1	32	2	0	265	92	19	1	0	0	7	.282	.345	.382	.726	32	-0.9	.324	92	-2.7
20	Fred McGriff F. McGriff	39	2003	LAD	86	297	32	74	14	0	13	40	31	1	66	0	0	329	127	27	0	0	4	7	.249	.322	.428	.750	39	-1.2	.324	99	-0.6
21	Jeff Reboulet J. Reboulet	39	2003	PIT	93	261	37	63	10	2	3	25	27	4	47	2	1	299	86	15	6	1	3	6	.241	.321	.330	.650	27	-9.3	.291	71	-11
22	Barry Bonds B. Bonds	38	2003	SFG	130	390	111	133	22	1	45	90	148	10	58	7	0	550	292	68	0	2	61	7	.341	.529	.749	1.278	148	80.5	.503	212	79.4
23	Kevin Brown K. Brown	38	2003	LAD	30	63	4	10	3	0	0	2	0	0	28	0	0	70	13	3	6	1	0	1	.159	.156	.206	.363	-1	-10.1	.156	-11	-10
24	John Burkett J. Burkett	38	2003	BOS	1	1	0	0	0	0	0	0	0	0	0	0	0	2	0	0	1	0	0	0	.000	.000	.000	.000	0	-0.5	.000	-123	-0.6
25	Ellis Burks E. Burks	38	2003	CLE	55	198	27	52	11	1	6	28	27	3	46	1	1	228	83	18	0	0	2	4	.263	.360	.419	.779	31	2.9	.343	110	2.8