The Kansas City Royals are promoting top prospect Jac Caglianone to the majors, according to ESPN. Caglianone, the No. 6 pick in last summer's draft, could make his big-league debut as soon as Tuesday, when the Royals host the St. Louis Cardinals.

KANSAS CITY, Mo. — The wait is over; the Kansas City Royals have called up their highly anticipated number one prospect, Jac Caglianone, according to ESPN’s Jeff Passan. The 22-year-old has been turning heads all season, including a brief but dominant stretch in Triple-A with the Omaha Storm Chasers.

The Kansas City Royals are calling up slugger Jac Caglianone, one of the top prospects in baseball, sources tell ESPN. Caglianone, 22, is hitting .322/.389/.593 with 15 home runs and 56 RBIs in 50 games between AA and AAA.