Red Sox slugger David Ortiz will undergo an MRI after suffering a heel injury while circling the bases on Adrian Gonzalez's home run.
Adrian Gonzalez was set to return to the Boston Red Sox lineup Sunday after missing the previous two games with back spasms.
The Boston Red Sox activated infielder Kevin Youkilis on Tuesday and placed outfielders Cody Ross and Ryan Sweeney on the disabled list.
Kevin Youkilis was eligible to come off the 15-day disabled list Monday, but that did not happen.
Alfredo Aceves, the former Yankee castoff who had a bounce-back season in 2011 with the Red Sox, will open the season as Boston's closer, manager Bobby Valentine announced Wednesday.
Red Sox left fielder Carl Crawford, an early arrival so that the club could monitor his surgically repaired left wrist, said his goal is to be in the Opening Day lineup and said that in his mind, "the odds are good" that he will be able to do so.