"I don't think anybody is 100 percent," insisted Jennings, who was sidelined by lingering soreness in the groin area. "But it's good. It's fine now."
Jennings was injured on April 14 in Baltimore, but played through it until the Rays returned home to face the Yankees.
Maddon used Jennings as the designated hitter last Thursday to keep him off the artificial turf as much as possible. On Friday, Jennings pinch-hit in the seventh inning and was immediately lifted for a pinch-runner after he singled in a run.
Jim Hawkins is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.