Following his release from City, his former manager Keith Alexander was appointed manager at Imps rivals Peterborough United and Stirling became one of a number of ex-Lincoln players signed up at London Road in the summer of 2006.
After leaving City, his previous manager, Keith Alexander, took over as manager for Peterborough United, while Stirling joined a group of former Lincoln players who were signed by London Road during the summer of 2006.