The Italian international striker could make his first start on Saturday after moving on loan to West Ham from Juventus.
Leeds United cannot call on the Swiss full-back just yet.
The 25-year-old is delighted with the Tottenham Hotspur boss.
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.