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Allen (foot) was a full practice participant Thursday, Max Henson of the Panthers' official site reports.
Allen sidestepped the first injury report in advance of the Super Bowl, yet he landed on this week's version due to his healing foot, which forced a limited showing Wednesday. However, his return in a full capacity Thursday implies that he's in line to play Sunday against the Broncos. If he suits up, he'll be seeking his second career sack of Peyton Manning.
