In August, the Steelers back was recovering from knee surgery and suspended for a second substance abuse violation. Now, he's a crucial part of Pittsburgh's Super Bowl hopes. So what changed?
- Manziel says he's sober, wants to return to NFL
- Spine/neck condition forces LB Orr, 24, to retire
- Steelers' Green practices, remains in protocol
- Falcons WR Jones won't be limited vs. Packers