"I'm feeling great, my arm feels great right now," Smyly said. "I'm just trying to get my work in, work on my pitches, just go out there and compete and have fun."
Jennings put the Rays on top when he homered with Logan Forsythe aboard in the third off of Pirates starter Francisco Liriano.
Corey Dickerson added an RBI single in the fifth to push the lead to 3-0. The Rays extended the lead to 5-0 when Cameron Seitzer plated two on a sharp single to right field in the bottom of the seventh.