He played college football for the Appalachian State Mountaineers before being signed by the Green Bay Packers as an undrafted free agent in 2006.

During his college tenure at Appalachian State University in Boone, North Carolina, Hunter was instrumental in his team achieving the NCAA Division I-AA Football national championship in 2005, a year in which he was named an All-Conference and Second-team All-American honoree.

In 2002, he played in 12 games, collecting 33 tackles (19 solo), including five stops for loss, three sacks, and four passes defensed.

In the 2007 season Hunter was a key to the Packers special teams unit, acquiring 15 tackles and a forced fumble.

"[3] During the 2011 Season, Jason was placed back into the Defensive end position under the new system of John Fox.

The Broncos released a statement saying the team hoped Hunter would “make[s] a quick recovery,” but that out of respect for his privacy, it wouldn't comment further.