Giolito, 21, has a 2.64 ERA and 62:29 K:BB through 61.1 innings for Double-A Harrisburg.
Giolito's control has been better of late, as he sports an impressive 32:7 K:BB over his last four starts, a span of 27 innings. The 21-year-old likely won't pitch much more than 150 innings this season; his MLB premier is more likely to take place in 2017 as opposed to later this season.