21 players are tied for the highest career batting average by a 21-year-old player, with an average of 1.000. The first three are Joaquin Arias, Marcos Carvajal and Xavier Nady.

Interpreted as:

most average by a player in 21 age

	NAME	AVG	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Joaquin Arias J. Arias	1.000	2	1	0	1	0	0	0	0	1	0	0	0	0	2	1	0	0	0	0	0	1.000	1.000	2.000
2	Marcos Carvajal M. Carvajal	1.000	4	1	0	1	0	0	0	2	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
3	Xavier Nady X. Nady	1.000	1	1	1	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
4	T.J. Tucker	1.000	1	1	1	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
5	Livan Hernandez L. Hernandez	1.000	1	1	1	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
6	Rusty Tillman R. Tillman	1.000	4	1	3	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
7	Scott Munninghoff S. Munninghoff	1.000	4	1	1	1	0	1	0	0	0	0	0	0	0	1	3	1	0	0	0	0	1.000	3.000	4.000
8	Randy Lerch R. Lerch	1.000	1	1	1	1	1	0	0	0	0	0	0	0	0	1	2	1	0	0	0	0	1.000	2.000	3.000
9	Eduardo Rodriguez E. Rodriguez	1.000	2	1	1	1	0	1	0	0	0	0	0	0	0	1	3	1	0	0	0	0	1.000	3.000	4.000
10	Dave Parker D. Parker	1.000	1	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
11	Steve Lawson S. Lawson	1.000	13	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
12	Dave Gray D. Gray	1.000	9	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
13	Mack Burk M. Burk	1.000	15	1	3	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
14	Bill Peterman B. Peterman	1.000	1	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0			0	1.000	1.000	2.000
15	Joe Bowman J. Bowman	1.000	7	1	0	1	0	0	0	0	0	0	0	0		1	1	0	0				1.000	1.000	2.000
16	Jumbo Brown J. Brown	1.000	3	1	1	1	0	1	0	0	0	0	0	0		1	3	1	0				1.000	3.000	4.000
17	Bobby Reeves B. Reeves	1.000	1	2	0	2	0	0	0	1	0	0	0	0	0	2	2	0	0				1.000	1.000	2.000
18	Johnson Fry J. Fry	1.000	1	1	0	1	0	0	0	0	0	1	0	0	0	2	1	0	0				1.000	1.000	2.000
19	Jackie Gallagher J. Gallagher	1.000	1	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0				1.000	1.000	2.000
20	Hooks Cotter H. Cotter	1.000	1	1	0	1	1	0	0	0	0	0	0	0	0	1	2	1	0				1.000	2.000	3.000
21	Joseph Burns J. Burns	1.000	1	1	0	1	0	0	0	0	0	0	0	1		1	1	0	0				1.000	1.000	2.000
22	Ray Jansen R. Jansen	.800	1	5	0	4	0	0	0	0	0	0	0	0		5	4	0	0				.800	.800	1.600
23	Shelby Miller S. Miller	.667	6	3	0	2	1	0	0	0	0	0	0	0	0	3	3	1	0	0	0	0	.667	1.000	1.667
24	Tyler Chatwood T. Chatwood	.667	2	3	1	2	0	0	0	0	0	0	0	0	0	5	2	0	2	0	0	0	.667	.667	1.333
25	Oswaldo Navarro O. Navarro	.667	4	3	0	2	0	0	0	0	0	0	1	0	0	4	2	0	1	0	0	0	.667	.667	1.333