The Toon legend insists a failure to fill the void left by the France midfielder’s £20m switch to Paris Saint-Germain will leave those left behind questioning their future - and the ambition of the club.
Joe Kinnear paid the price for collapsed last-gasp January moves for Lyon’s Clement Grenier and Montpellier star Remy Cabella when the director of football quit this week.
Shearer reckons Newcastle have messed-up by not having a cast-iron plan in place last month to replace Cabaye - and their inaction sends out the wrong message to fans as well as Alan Pardew’s squad.
The 43-year-old former Newcastle and England skipper said: “Joe Kinnear was quoted as saying that no-one would be leaving in January.
“But if you’re going to let your best player go, you have to have a plan for someone to come in. You can’t let Cabaye leave and then bring no-one else in. That just can’t happen.
“It sends a bad message out to the fans and, if you’re a player in that dressing ro...