The Guardians promoted Doughty from High-A Lake County to Double-A Akron on Tuesday.
Cleveland will bump Doughty up to Double-A after he submitted a 3.02 ERA, 1.18 WHIP and 74:11 K:BB in 59.2 innings with Lake County. As reflected in his minuscule 4.3 percent walk rate, the 20-year-old righty boasts plus control and leans heavily on his curveball to make bats miss.