The 35-year-old Green has kicked around in the UFL and CFL the past two seasons but apparently feels rejuvenated.
"I've got at least five years left in me to play football," Green told FoxSportsWisconsin.com.
Green remains the Packers' career rushing leader with 8,322 yards — breaking Jim Taylor's record when he returned to the team in 2009 — but his last 1,000-yard season came in 2006. In the NFL. That's an eternity for running backs.
He said he's willing to do anything to put on an NFL uniform again.
"I came into the league in special teams and I'd have no problem doing that again," Green said. "Playing special teams in kickoff coverage, punt coverage. Just put me anywhere. I'm a football player first. That's something my dad always reminded me. 'You're a football player, not just a running back.'
"If a team wants to call me and show serious interest, I'll be ready."
Green left the Packers in 2007 after signing with Houston but was a disappointment in his two seasons with the Texans. He returned to Green Bay for one year. His most recent stops included Montreal of the CFL and Omaha of UFL.
Green resides in Green Bay and would welcome a shot with the Packers again. He remains close to the team, frequently seen in the locker room on game days.
"I know that I could help the team," he said. "I'd be happy to play along with Aaron Rodgers a few more years and help those guys win another Super Bowl."
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