The injury, to Wallace's groin, occured when he collided with Eagles inside linebacker Najee Goode while being flushed out of the pocket to make a pass attempt.
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Tolzien, who played college football down the road in Madison at the University of Wisconsin, is a third-year undrafted player. He was just promoted to the active roster from the practice squad to back up Wallace as Rodgers is expected to be out several weeks. Tolzien came into the game with the Packers trailing the Eagles 7-0.