The 22-year-old righty will make his first start Major League start, an audition for next year. Castro began the year in extended spring and was promoted from Double-A Bowie to big league relief.
Archer lost Sunday at Baltimore when he allowed five earned runs on eight hits in 3 2/3 innings. He has lost five consecutive decisions for the first time since June 11-July 15, 2016 (6).