A 6-foot-2, 184-pounder from Flowery Branch (Ga.) High, Hughes can hit 96 mph with his fastball and usually settles in at 89-93 with some cutting and sinking action. His low-80s slider has its moments, and he also throws a curveball and changeup.
Hughes is the highest unsigned Orioles pick since Rice right-hander Wade Townsend turned down the club as the No. 8 overall pick in 2004.
Six other players taken before the third round remain unsigned: Vanderbilt shortstop Dansby Swanson, the No. 1 overall pick of the D-backs; Vanderbilt right-hander Walker Buehler and Louisville righty Kyle Funkhouser, both Dodgers first-rounders; Virginia left-hander Nathan Kirby, the Brewers' supplemental first-rounder; Eustis (Fla.