Midfielder Osman was sent-off against Port Vale last weekend, but the club appealed the decision successfully and he is available to keep his place alongside Nathaniel Wedderburn in the middle.
Striker Leon McKenzie is set to return from a thigh injury to boost Sampson`s options and could replace on-loan Leicester forward Craig King in the starting XI.
Defender Marcus Hall is now fit after a groin strain, but cannot force his way back into the side at the moment, while striker Tadhg Purcell remains out for the season after he suffered serious knee ligament damage in August.
Midfielder Ryan Gilligan missed the goalless draw with Vale last week but has recovered from his knee twinge and will be in contention.
Source: PA
Source: PA