ADAM CHAMBERS will start for the O's reserves at Brighton & Hove Albion tonight in their latest totesport.com Combination Central Division fixture.
The former West Brom midfielder, who has been out of action since mid-September with a persistent calf problem, is one of six professionals in the O's starting line-up.
Right back Stephen Purches will also play, wearing a protective mask, after suffering a fractured cheekbone, while JJ Melligan returns to competitive action after a three-match suspension.
New loan signing Lee Butcher starts in goal after arriving on a month-long deal from Tottenham Hotspur. There is also a run-out for Rhys Coleman, a former Charlton Athletic Academy player.
Kick-off at the Sussex FA headquarters in Lancing is at 7pm and a match report will appear on leytonorient.com later this evening.
Orient: Lee Butcher; Stephen Purches, Luke Ashworth, Rhys Coleman, Cestor Mike; JJ Melligan, Adam Chambers, Harry Beautyman, Harry Baker; Louis Crowther, Jake Argent
Subs: Jack Giddens (GK), Musa Manneh, Elliott Babbs, Joseph Boakye, Chris Benjamin