High-A Aberdeen activated Prieto (hamstring) from the 7-day injured list ahead of Wednesday's game against Hudson Valley.
He'll start at second base and bat sixth as he makes his return to the Aberdeen lineup following a two-week absence due to a strained right hamstring. Before picking up the injury, the 23-year-old slashed .328/.378/.701 with seven home runs and two stolen bases across 74 plate appearances with Aberdeen.