 In , D'Antona was the ACC leader in slugging percentage, home runs, and RBI.Drafted by the Diamondbacks in the 2nd round of the 2003 Major League Baseball draft, D'Antona finished the 2003 season with Low Single-A Yakima, where he hit 15 home runs in only 70 games.He was also a Short-Season Single-A All-Star and Northwest League All-Star.