Florida senior center Mike Pouncey, expected to be the focal point of the offensive line this season, said he may have to start the year at tackle because of the injuries the team has suffered in preseason. Tackles Matt Patchan (broken wrist) and Xavier Nixon (knee) are both still trying to get back to full speed from camp injuries. Nixon figures to miss the Sept. 4 opener after having minor surgery and Patchan still isn’t taking full contact. “I might have to play tackle the first couple of games, so we’ll see. I thought I was going to play center but I’ll do whatever I need for us to win games and if it means me ending up having to play tackle that’s what it’s going to be,” Pouncey said. He added there was a “good chance” it will happen. If Pouncey moves to