Kris Bryant made all the headlines with his bat this spring, but it's his defense which could see him start 2015 in Iowa. And he's not the only Cub knocking on the door of Wrigley Field. Our Cubs prospect primer:
Top prospect Alex Jackson -- the sixth overall pick in last year's Draft -- will make his full-season debut, D.J. Peterson will tee off at the plate and Danny Hultzen will return to the mound during the 2015 season for the Mariners. Seattle prospect primer:
In 2014, the Royals' Brandon Finnegan became the first player to pitch in the College World Series and the World Series in the same year. Back in the Minors, the lefty is looking to write the next chapter in his story.