Green Bay quarterback Brett Favre reacts after throwing an incomplete pass on third and goal during the first half of the Packers' exhibition loss to Jacksonville Thursday.

Green Bay, Wis. ? The Green Bay Packers lost Pro Bowl wide receiver Donald Driver and their unbeaten preseason record in a 21-13 loss to the Jacksonville Jaguars at Lambeau Field Thursday night.

After sputtering under starting quarterback Byron Leftwich, the Jaguars’ offense woke up when backup David Garrard entered the game early in the third quarter and led the Jaguars (2-1) to two touchdowns.

As for Driver, he was taken to the locker room just before halftime because of an injury to his right foot. He did not return to the game.