Stephenson (2-3) allowed five runs on five hits and a walk with four strikeouts over four innings Tuesday against the Cardinals.
Stephenson has given up four runs or more in all of his last five starts. He has surrendered at least one home run -- two Tuesday night -- in each of those starts as well. Stephenson's struggles in the minor leagues (4.41 ERA in 136.2 innings) have followed him to the next level. His ERA is up to 6.27 after Tuesday's stinker, and he has allowed nine homers in just seven outings.