Section 6, 52.5 would indicate otherwise unless this was agreed up front.
http://www.football-league.co.uk/regulations/20130704/section-6-players_2293633_2125731#52
The Chamberlain departure wasn't during a period where we needed players to dig in for us.
Thank your lucky stara Chambers left, had he not I fear Schneiderlin would have.
@Lord_Sugar: Mauricio: "We need to fix it and focus on the next game." ...... I've decided not to learn to pronounce your name you might be gone by Xmas