Derek Jeter's sore hamstring has Yankees manager Joe Girardi worried about the shortstop's availability for next month's World Baseball Classic. Girardi plans to speak to his shortstop about taking care of his health during the event. "It's awful early to be playing meaningful games," Girardi said. "Is his hamstring bad? No. It's a little sore. Guys are going to go through sore periods during this time in spring training. That's why we do this before we start playing games." Jeter didn't take part in the team's running drills on Sunday. "It does concern me," Girardi said. "The last thing we want is some player getting hurt in the WBC, because that could affect our whole season. We will talk and make sure that he's healthy."