The Tampa Bay Rays called up top shortstop prospect Carson Williams on Thursday before their series opener against the St. Louis Cardinals.

The Rays are calling up shortstop Carson Williams, their top prospect and one of the best prospects in the game, a source told MLB.com's Sam Dykstra on Thursday. The club has not confirmed the news. Williams,

Carson Williams, the Tampa Bay Rays’ No. 1 prospect, is being called up to the major leagues. That’s according to ESPN’s Jeff Passan, who reported the news on T