You can catch Clarke in action tonight on ITV's 'Britain's Brainest', kick-off 8.30pm.
Meanwhile, Stuart Wardley capped his home debut for Rushden & Diamonds with a goal in the 2-0 defeat of Macclesfield.
Manager Brian Talbot said: “Stewart Wardley was first class. His aerial ability in midfield was there for all to see. He won so many headers for us and he capped a fine performance with a well-taken goal."
Elsewhere, Sammy Koejoe has joined Austrian 2nd Division side SC Lustenau for the remainder of the season.