Kansas City Royals right fielder Jac Caglianone settles in a second base after hitting a double for his first hit in Major League Baseball on Thursday, June 5, 2025 against the Cardinals at Busch Stadium in St. Louis. Jeff Curry Imagn Images

The Jac Caglianone era is underway for the Royals. Tuesday evening, Kansas City's No. 1 prospect made his big-league debut against the St. Louis Cardinals at Busch Stadium after only 79 minor-league games.

After mashing his way through the minor leagues, former Florida Gators slugger Jac Caglianone is being called up to the Kansas City Royals.