With the Magpies desperate to return to the Premier League as soon as possible, the 41-year-old's advice is worth listening to.
Tottenham Hotspur have been linked with a move for the Aston Villa teenager.
Birmingham City will have to significantly strengthen their side if they are to improve over the upcoming season.
The Leeds United player is at an age when he will want to play senior football regularly but where exactly that will be is a big question.
Sunderland have replaced David Moyes with Sam Allardyce.
A select round-up of the latest Everton transfer news...
Bolton Wanderers are set to take a closer look at the defender
All West Ham's latest news rounded up right here, including transfer updates and latest club news.
A select round-up of the latest Southampton transfer news.
A select round-up of the latest news relating to Tottenham Hotspur…
Tottenham Hotspur have a number of exciting youngsters coming through the ranks at White Hart Lane, and one has certainly impressed Walker.
The unemployed plasterer killed a banker with a single punch.
The former Newcastle United and Crystal Palace boss is among the contenders to replace Mark Warburton at Rangers, after the Englishman left Ibrox in acrimonious circumstances.
Everton have been linked with Youri Tielemans and should prioritise him this summer.
Everton youngster Ademola Lookman moved to Goodison Park during last month's transfer window.
Tottenham Hotspur and Manchester City have been linked with Ryan Sessegnon of Fulham, who saw Moussa Dembele leave for Celtic in the summer of 2016.
Arsenal youngster did not impress against Sutton.
Looks like he has a tough job on his hands.
West Ham came close to signing Scott Hogan in January,
West Ham United missed out on the best manager in the world according to the man widely regarded to hold that role, Manchester City boss Pep Guardiola.
Sam Allardyce chooses the best XI he has worked with, including Bolton Wanderers and Newcastle United stars.
West Ham United won 3-0 against Karlsruher in a pre-season friendly yesterday.
Manchester United arrived safely in Beijing after their plane got “lost” due to bad weather and had to be diverted to Tianjin as it flew to the Chinese capital on Saturday.