Foster and Wellington Aracena were acquired by the Orioles from the Mets on Friday in exchange for reliever Gregory Soto, Will Sammon of The Athletic reports.
A 14th-round pick by the Mets in 2022, Foster is now on the move ahead of the trade deadline. The 26-year-old has spent most of this season at the Double-A level, where he has a 1.01 ERA, 0.83 WHIP and 34:5 K:BB across 26.2 innings.