A star with the first crack of the bat, Ken Griffey Jr. -- one of Mike Trout's early heroes -- is in the ballpark with the Angels' center fielder as you evaluate the first three seasons of their careers. Barry Bonds is not in the conversation. Trout dwarfs the home-run king.
To identify an outfielder as great as Trout through three Major League seasons, you have to dig into the past. Not since the Golden Era -- from the late 1940s into the early 1970s, when giants roamed the landscape -- have we seen a player rivaling Trout's total impact.
Lyle Spencer is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.