The Red Sox sent Double-A Greenville left-hander Hunter Cervenka to the Cubs to complete the April 21 trade for outfielder Marlon Byrd.
Relief pitcher Andrew Bailey was scheduled for an exam on his injured right thumb with surgeon Thomas Graham in Cleveland on Tuesday. Bailey had surgery on a torn ligament on April 4.
"Everything's gone according to plan," Bailey said over the weekend before leaving town. "I'd say I'd probably start throwing here in the next couple weeks."
Manager Bobby Valentine praised shortstop Mike Aviles' defense and said he's been pleased with the team's overall defense so far, especially in the infield.
"He's made all the progressions, he's learning to move with hitters and position himself properly and always know the speed of the runner," Valentine said. "He's been huge. The stability of him has been huge for our defense."