He started 38 games for Atlanta in five seasons.
Last year, he was limited to seven games, four catches and two touchdowns. Mughelli injured his right knee during a collision with safety Louis Delmas during a Week 7 win over the Detroit Lions in 2011 and was placed on injured reserve.
Ewing is highly regarded as an all-around fullback for the Badgers. He was Wisconsin's Special Teams Player of the Year and Academic All-Big Ten Conference selection.
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