Pollak, a starting guard, and Richard, a backup center, did not practice all week because of ankle injuries they sustained in last week's 23-0 victory over Tennessee.
Coach Tony Dungy has said that if Pollak could not play, Dan Federkeil will start in his place. Federkeil started the first three games at right guard this season.
"[Dan] will do fine," Dungy said Thursday. "He's practiced well, and he'll be fine."
Players and coaches were unavailable for comment Friday.
Linebacker Gary Brackett, the defensive captain, is the only other player Dungy has ruled out. Brackett hasn't played since Nov. 30 after cracking a bone in his lower right leg.
Dungy said he would likely move outside linebacker Freddy Keiaho to Brackett's spot in the middle and put Tyjuan Hagler, last year's starter on the outside, in the starting lineup.
"The way we've practiced, they look pretty comfortable," Dungy said. "Buster Davis will be the first substitute if we have any injuries."
Defensive tackle Eric Foster (finger), cornerback Keiwan Ratliff (groin) and receiver Pierre Garcon (knee) all practiced the last two days after sitting out Wednesday. All three are listed as questionable.
Safety Bob Sanders and cornerback Tim Jennings also practiced Thursday and Friday after resting Wednesday. Sanders, Jennings and backup running back Chad Simpson were not listed with injuries on the team's practice report.
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