The Irish international is currently out of action with a severe knee injury.
Manchester United fans may already have heard the hype around youngster Angel Gomes.
Walker believes Celtic’s loss to Rangers in the Scottish Cup last season resulted in the club hierarchy replacing Deila with Rodgers.
West Ham United have a lot of players but only so many spaces to fill.
The Sunderland striker was overlooked by the previous regime.
Tottenham Hotspur will enter their young players into the competition following their return to the Champions League.
The Swiss international joined Mark Warburton's Rangers side at Ibrox for free last week.
The Argentine will not be heading back to Elland Road.
The Reds sold Adam to Stoke in 2012.
The Everton midfielder was left out of Sam Allardyce's first England squad.