Dennard leaves with knee injury

FOXBOROUGH, Mass. -- New England Patriots cornerback Alfonzo Dennard suffered a right knee injury late in the second quarter of Sunday night's game against the San Francisco 49ers.

The team announced Dennard's return as questionable and he did not return to the game.

Dennard was blocked in the legs on a 10-yard run by 49ers quarterback Colin Kaepernick with 14 seconds left in the first half. Trainers helped Dennard to the locker room, but he was back on the sidelines at the start of the second half.

The 2012 seventh-round draft pick has started six of the last seven games for the Patriots. He was replaced in the base defense by Kyle Arrington, and in sub packages by veteran Marquice Cole.