Flood came off in the first half of Saturday's 6-2 defeat at Celtic Park while suffering from the remnants of a flu bug.
United will be without Gavin Gunning after the defender suffered a knee injury that could finish his season.
- Baseball - Happy Fenway return for Indians' … Reuters - 1 hour 13 minutes ago
- Football - Favourites Atletico Mineiro … Reuters - 1 hour 54 minutes ago
- Ice Hockey - Red Wings push Blackhawks … Reuters - 2 hours 13 minutes ago
- Ice Hockey - Rangers stave off elimination, … Reuters - 3 hours ago
- Golf - Haas, Waldorf set pace at Senior … Reuters - 4 hours ago
- Football - Lamela earns Argentina call-up … Reuters - 5 hours ago
- Motorsports - Andretti eager to end … Reuters - 5 hours ago
- Rugby - New Zealand's Williams calls … Reuters - 6 hours ago
- Ice Hockey - Avalanche name Hall of … Reuters - 6 hours ago
- Championship - Smith extends Ipswich … PA Sport - 6 hours ago
- Motorsports - Foyt and Sato form sweet … Reuters - 6 hours ago
- Rugby - Tipuric ready to fight for … PA Sport - 6 hours ago
