WAR THROUGH AGE 20
1 Mike Trout 11.4
2 Mel Ott 11.4
3 Ty Cobb 9.5
4 Bryce Harper 8.9
5 Al Kaline 8.9
WAR THROUGH AGE 21
1 Mike Trout 20.7
2 Mel Ott 17.9
3 Ty Cobb 15.7
4 Ken Griffey Jr. 15.5
5 Al Kaline 15.4
WAR THROUGH AGE 22
1 Mike Trout 28.6
2 Ty Cobb 25.5
3 Ted Williams 23.6
4 Mel Ott 23.5
5 Alex Rodriguez 22.9
WAR THROUGH AGE 23
1 Mike Trout 37.9
2 Ty Cobb 36.0
3 Ted Williams 34.2
4 Mel Ott 31.4
5 Ken Griffey Jr. 30.1
WAR THROUGH AGE 24
1 Mike Trout 48.5
2 Ty Cobb 46.7
3 Mickey Mantle 40.9
4 Alex Rodriguez 38.0
5 Ken Griffey Jr. 37.0