Royals rookie Jac Caglianone debuted to great fanfare on Tuesday. He took an 0 for 5, but still hit the ball hard a few times. Wednesday's schedule game in St. Louis was postponed due to weather, moving things to a doubleheader on Thursday.

Jac Caglianone is set to make his MLB debut at DH as the Kansas City Royals add elite top prospect power to boost lineup and playoff hopes.

Royals rookie outfielder Jac Caglianone got a pair of firsts out of the way with one swing of the bat Thursday, but the Royals could go on to fall 6-5 in the first game of a doubleheader Thursday.