The Orioles optioned Weston to Triple-A Norfolk on Monday.
Weston was called up by the Orioles on Wednesday but didn't make any appearances before being sent back down to the minors. He's appeared in 19 games (seven starts) at Triple-A this season, producing a 7.23 ERA, 1.91 WHIP and 53:24 K:BB across 37.1 innings.