Fitz-Gerald was promoted to Double-A Harrisburg on Sunday, Kyle Williams of TheBanner.com reports.
Fitz-Gerald has compiled a .267 batting average with 12 home runs, 37 RBI, 42 runs scored and 11 stolen bases over 202 at-bats in 51 contests with High-A Wilmington so far this season. He will now take the next step in his professional career, joining Ethan Petry at the Double-A level after Petry was also promoted Sunday.