SAN FRANCISCO -- Roughly 24 hours earlier, Dustin Pedroia was the center of attention after a career offensive outburst that included three home runs, five hits and five RBIs. And on Friday night, Pedroia was again the focal point when Boston's clubhouse opened to the media, only this time for far less glorious reasons.

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This time, Pedroia held court while standing on crutches -- not to mention a walking boot on his left foot. The star second baseman belted a ball off the instep of his left foot in the top of the third inning. Though he continued the at-bat, drawing a walk, he exited the game when he could only hobble to first base.

Initial X-rays didn't show a break, but were inconclusive enough that Pedroia will undergo further tests Saturday morning.

In the meantime, there wasn't much he could do.

"Just ice, elevate and pray," Pedroia said. "I don't know, man."

The Red Sox hope to get some more encouraging news Saturday regarding their fiery second baseman, who has been on fire over the last couple of weeks.

"Obviously he's red-hot right now," said Red Sox right-hander Tim Wakefield, who took a 5-4 loss to the Giants on Friday. "His bat out of the lineup if he's injured would be a devastating blow. Obviously he's probably going to be out tomorrow and Sunday, and hopefully there's really nothing wrong with him and he can take the next three days off because we have an off-day coming home and be ready to go on Tuesday. We have our fingers crossed, that's for sure."

Pedroia was in good spirits as he held court. At the same time, he really didn't know if the injury was significant.

"I'm sore," Pedroia said. "I'll get checked out tomorrow and make sure we get to the bottom of everything. But I'm pretty disappointed. I've never really hit a ball there before but I'll be all right."

Mike Cameron ran for Pedroia. Bill Hall moved from right field to second base. Cameron was inserted in center field, with Darnell McDonald switching from center to right.

"He was X-rayed and they didn't see any break or anything, but we're obviously going to get him examined a lot more tomorrow," said Red Sox manager Terry Francona. "I think we've got a 10 o'clock MRI, CT scan, whatever it is, I don't know. He's having a tough time putting weight on it. He's really sore, you can tell."