By Tom Victor Former Aston Villa goalkeeper Jed Steer signed twice for Peterborough United in the winter transfer window, rejoining the club three days after he walked out to leave himself as a free agent. Steer initially signed a short-term deal with The Posh, having been without a club since leaving Villa Park over the summer. He moved on when it ended, only to then swiftly return – before the window had shut. The 31-year-old initially joined as cover for first-choice stopper Nicholas Bilokapic. He made three league appearances for Darren Ferguson’s side and one in the EFL Trophy, with the t…