Many of MLB's best active players happen to be under the age of 25. Early in the 2013 season, it's clear that Mike Trout, Bryce Harper, Craig Kimbrel and others on this exclusive team have many years of stardom ahead of them.
Sample sizes for all the top candidates are small, so potential was weighed nearly as heavily as past production when determining who to include.
Players needed to have major league experience at a position to be considered for it. Starlin Castro, for example, has only been used at shortstop and therefore, could not be shifted to second or third base.
If there's a takeaway from this article, it is that we're living in a golden age of baseball. Young athletes now enjoy initial successes because they enter the professional ranks with more knowledge and discipline than their predecessors.
*Ages current as of April 8, 2013.
**Career WAR is averaged from Baseball-Reference.com and FanGraphs.