Kane has enjoyed an outstanding career to date both domestically and internationally, but has yet still to pick up any kind of silverware.
And Newcastle legend Shearer, the Premier League’s all-time top goalscorer, says Spurs run the risk of losing their star man if that doesn’t change in the next calendar year.
“My guess is, if he doesn’t win anything in the next 12 months then he has to leave,” Shearer told the Match of the Day: Top 10 podcast.
“He’ll do another year, I think, and if nothing comes in terms of trophies, then he’ll be off.”
On the podcast Shearer and his fellow Match of the Day regulars Gary Lineker and Ian Wright discuss football topics in the wake of the postponement of live sport due to coronavirus.
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The England captain has not played since New Year’s Day due to a serious hamstring injury, but recently revealed he is just weeks away from first-team training.
Asked if Kane, currently on 136 goals, could one day overtake his achievements, the former England striker added: “It depends on his fitness, where he is and what success he’s had at whatever club he’s at – whether that’s at Spurs or somewhere else.”
Shearer, who scored 260 Premier League goals, continued: “It’s going to be hard for him. He’s on 136 and there’s a lot of ‘ifs’ being asked; if he stays fit or if he stays in the Premier League. It’s going to be tough, but it’s going to go one day.”
Harry Kane will leave Tottenham next year if the club fail to win a trophy during that time, according to Alan Shearer.