Charlton are one of a trio of clubs chasing Stevenage Town (formerly Borough) utility player Michael Bostwick. He was a trainee with the Spanners before going on to play for Rushden and Diamonds at Nene Park and then had a spell at Edgefleet before going to Stevenage. Brighton and Brentford are the other clubs in the frame.
Although he is often described as a defender, he can play in midfield and could probably take a turn on the gate if that was needed: Bostwick
It's difficult to see why the League 2 club should let the 22-year old go if he is as good as stated and they would probably want quite a substantial fee.