Profile: Alex Castellanos, Dodgers
The situation: With Matt Kemp likely returning to the disabled list, the Los Angeles Dodgers decided to see if they could jump-start their middle-infield production by bringing up Castellanos from Triple-A Albuquerque. Acquired from the St. Louis Cardinals at last year's trade deadline for shortstop Rafael Furcal, Castellanos will be making his major league debut.
2012 Rookies/Prospects Coverage
Who's next? And what should we expect from them? ESPN Insider has all the info you need on rookies and prospects, such as Wil Myers.