Crystal Palace have earmarked the two-time Premier League winner as a potential target.
Celtic midfielder Stuart Armstrong has been praised by manager Brendan Rodgers.
The Rangers legend has commented on Joe Garner's start.
A strong Aston Villa Under-23 side eased to a 4-0 win on Monday night.
Queens Park Rangers signed Conor Washington from Peterborough United last January.
Ahead of a crucial tie against Borussia Monchengladbach, we look back at three of Celtic's best Champions League results of recent times - featuring classics against Barcelona, AC Milan and Manchester United.
Sunderland are currently well adrift in the Premier League table.
The 23-year-old has not yet scored for Leeds United.
Newcastle United are flying high at the top of the Championship.
Liverpool are reportedly interested in signing Virgil Van Dijk from Southampton.