 St Ledger was dropped in the first team and dropped to the bench, citing his bad attitude, in a 1–1 draw with Lincoln City on 21 January 2006.He featured in Sky's series "Big Ron Manager", a behind the scenes look at Peterborough United's struggle to enter the Football League Two play-offs at the end of the 2005–06 season.After a trial with Birmingham City on Barry Fry's recommendation, St Ledger signed a three-year contract with Preston North End in July 2006 for a fee of £225,000, which could rise to £350,000.