Fred Johnson is the oldest rookie. He was 44 years old in 1938.

	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	Fred Johnson F. Johnson	44	1938	SLA	17	25	2	6	0	0	0	3	0	0	2	0	0	26	6	0	1				.240	.240	.240	.480	1	-2.5	.224	15	-3.2
2	Diomedes Olivo D. Olivo	43	1962	PIT	62	16	0	3	1	0	0	1	1	0	2	0	0	19	4	1	2	0	0	1	.188	.235	.250	.485	1	-1.5	.224	32	-1.6
3	Fred Lake F. Lake	43	1910	BSN	3	1	0	0	0	0	0	0	1	0	0	0		2	0	0	0				.000	.500	.000	.500	0	0.1	.369	111	0
4	Diomedes Olivo D. Olivo	41	1960	PIT	4	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.2	.000	-113	-0.3
5	Satchel Paige S. Paige	41	1948	CLE	21	23	0	2	0	0	0	0	0	0	5	0	0	25	2	0	2			0	.087	.087	.087	.174	-2	-5.1	.082	-60	-5.1
6	Dickey Pearce D. Pearce	41	1877	STL	8	29	1	5	0	0	0	4	1		4			30	5	0					.172		.172		2	-2.6	.180	48	-2.4
7	Ken Takahashi K. Takahashi	40	2009	NYM	26	2	0	0	0	0	0	0	0	0	2	0	0	2	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.5	.000	-120	-0.5
8	Chuck Hostetler C. Hostetler	40	1944	DET	90	265	42	79	9	2	0	20	21	0	31	4	4	292	92	11	6			4	.298	.350	.347	.697	33	1.5	.333	95	-1.8
9	Alex McColl A. McColl	40	1934	WSH	42	31	2	3	1	0	0	0	2	0	7	0	0	33	4	1	0				.097	.152	.129	.281	-1	-5.4	.141	-24	-5.7
10	Dickey Pearce D. Pearce	40	1876	STL	25	102	12	21	1	0	0	10	3		5			105	22	1					.206		.216		10	-5.3	.212	73	-4.3
11	Masumi Kuwata M. Kuwata	39	2007	PIT
12	Connie Marrero C. Marrero	39	1950	WSH	27	49	4	6	1	0	0	3	7	0	12	0	0	61	7	1	5			1	.122	.232	.143	.375	0	-7.3	.199	4	-8.1
13	Joe Berry J. Berry	39	1944	PHA	53	25	1	3	0	0	0	1	2	0	8	0	0	30	3	0	3			0	.120	.185	.120	.305	0	-3.6	.159	-13	-3.8
14	Alex McColl A. McColl	39	1933	WSH	4	6	2	2	1	0	0	2	0	0	1	0	0	6	3	1	0				.333	.333	.500	.833	1	0.2	.377	116	0.1
15	Joe Strong J. Strong	38	2001	FLA	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	-113	-0.3
16	Bob Thurman B. Thurman	38	1955	CIN	82	152	19	33	2	3	7	22	17	0	26	0	2	170	62	12	1	0	2	6	.217	.296	.408	.704	18	-2	.312	80	-4.2
17	Bill McGhee B. McGhee	38	1944	PHA	77	287	27	83	12	0	1	19	21	0	20	2	1	308	98	13	0			10	.289	.338	.341	.679	33	-0.3	.324	93	-2.4
18	Chang-Yong Lim C. Lim	37	2013	CHC
19	Jason Wood J. Wood	37	2007	FLA	98	117	11	28	6	0	3	26	8	0	38	0	0	127	43	9	1	1	0	1	.239	.286	.368	.653	11	-4.6	.288	68	-5.3
20	Joe Strong J. Strong	37	2000	FLA	16	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	-118	-0.3
21	Joe Berry J. Berry	37	1942	CHC
22	Brandon Dickson B. Dickson	36	2021	STL	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
23	Sean Kazmar Jr. S. Kazmar Jr.	36	2021	ATL	3	2	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	1	.000	.000	.000	.000	0	-0.5	.000	-110	-0.5
24	Scott McClain S. McClain	36	2008	SFG	14	33	7	9	1	0	2	7	5	0	8	0	1	38	16	3	0	0	0	0	.273	.368	.485	.853	6	1.4	.374	126	1.2
25	Takashi Saito T. Saito	36	2006	LAD