Clarke, 23, has a 3.21 ERA and 59:15 K:BB through 70 innings across three levels in 2016.
Clarke had Tommy John surgery in 2013 but rebounded to become a third round pick in the 2015 draft. Clarke began this season at Low-A and made quick work of the opposition to the tune of a 2.83 ERA and 24:5 K:BB. He was then bumped to High-A where he posted similar numbers in four outings. He is currently at Double-A with a 4.42 ERA and 13:3 K:BB in 18.1 innings. Clarke has a ceiling of a No. 3 starter.