Hoover cleared waivers and was outrighted to Triple-A Louisville on Thursday.
Hoover was designated for assignment after compiling a 4.76 ERA over his last 10 appearances for Triple-A Louisville but did not get picked up by another club during his waiver period and will remain with Cincinnati. He'll head back to Louisville where he'll reassume a 3.71 ERA and 1.28 WHIP over 26.2 innings for the minor league affiliate.