Stephenson struck out 9 and walked only one in his outing.
The Reds pitching prospect breaks down what hes improved and what else he needs to develop to reach the big leagues.
Reds pitchers Robert Stephenson, Cody Reed, Sal Romano and Amir Garrett all live together, while competing for roster spots.
The rookie shares his mindset before taking the big-league mound for the first time.
The Cincinnati Reds pitcher got his first win in his first outing.