Chen will be recalled from High-A Fredrick to start against the Indians on Friday night, MASN Sports reports. The Orioles optioned Chen to High-A after an excellent start against the Phillies on June 15 due to general fatigue. For the season, he's turned in his best overall results as a member of the Orioles, with a 71:19 K:BB, 2.89 ERA, and 1.12 WHIP over 13 starts.