Tolliver was optioned to Triple-A Norfolk on Wednesday, Rich Dubroff of CSN Mid Atlantic reports.
The Orioles swapped out lefty relievers Wednesday by optioning Tolliver and recalling T.J. McFarland from Triple-A Norfolk. Tolliver performed ably in three of his four outings during his stint with the big league club, but his meltdown that resulted in three runs over .2 innings Monday may have forced manager Buck Showalter's hand. He'll head back to Triple-A, but he could return to the Orioles down the line if they need another lefty out of the bullpen.