Packers sign 12 undrafted free agents

The Packers have signed 12 rookie free agents, including Alabama outside linebacker Adrian Hubbard, the club said Monday. Hubbard (6-6, 257) recorded 33 tackles and three sacks for the Crimson Tide as a junior in 2013. In a story published by the Milwaukee Journal Sentinel on Sunday, Hubbard indicated he believed a heart condition detected…