Over the course of the 2012 season, 291 players—174 position players, 117 pitchers—made their major league debuts.
Some teams, like the Houston Astros, utilized its minor league system more than others, more veteran-laden teams such as the New York Yankees.
But each and every major league team had its minor league shuttle in operation more than once during the season.
It happens every season, and 2013 will be no different.
That said, not every team has a prospect heading into the regular season that you can point at and say, "He's going to make an impact for the (insert your favorite team here)."
Let's take a look at the youngsters who should be on your radars heading into the season—not only for fans of the game, but for those fans who find themselves knee-deep in papers and spreadsheets preparing for fantasy baseball drafts.
The names on this list might be helpful to those folks looking to take a flier on an unproven commodity in the later rounds of their drafts.
*To qualify for rookie status, a player must not have exceeded 130 at-bats or 50 innings pitched in the Major Leagues, or accumulated more than 45 days on the active roster between Opening Day and September 1 when rosters expand.
*All spring training stats courtesy of MLB.com.
*World Baseball Classic stats courtesy of WorldBaseballClassic.com.
*All other stats courtesy of Baseball-Reference.com unless otherwise noted.