The Athletics optioned Rom to Triple-A Las Vegas on Friday.
The move corresponds with Jose Suarez (hip) being activated from the 15-day injured list. Rom made seven appearances out of the A's bullpen since being recalled Aug. 12, allowing six runs on nine hits and three walks while striking out five across 5.2 innings. He'll head back down to Triple-A, where he has 2.03 ERA, 1.05 WHIP and 59:10 K:BB over 40 innings.