Moustakas was a first-round draft pick by the Royals in 2007. He will make his debut tonight in his native Los Angeles. Moustakas joins Eric Hosmer, the 2008 first-round pick, on the Royals roster.
Moustakas was hitting .356 in his last 10 games for the Storm Chasers. For the season, Moustakas was hitting .287 with 10 home runs and 44 RBIs. To make room for Moustakas, the Royals have optioned Mike Aviles to Omaha.