He probably wishes now he had kept quiet because, during Saturday's training session, Vertonghen suffered a blow to the ankle, which ruled him out of this afternoon's match. They passed the ball freely to each other setting up a golden chance at just 11 minutes in.
Kane was uncharacteristically wasteful from eight metres out when Patrick van Aanholt sliced a clearance into his path.
The game settled down, losing its high tempo start when the away side had a penalty appeal denied on the half-hour mark.More news: Newcastle match 'like a final' for Liverpool - Emre Can
On 30 minutes, Kane was clearly clipped by Timothy Fonsu-Mensah in the penalty area but, luckily for the home side, the Spurs striker was shown to be offside. A lucky escape for Palace.
A patchwork Eagles side with 12 players sidelined frustrated Spurs for the vast majority of the game but they allowed Harry Kane to net an 88th minute victor. But his class told in the end as he sent over the corner from which Kane scored.
This time Christian Eriksen, after Serge Aurier's flick-on, sent possession into Kane's path, but having connected well and had both time and space, he wastefully struck wide of the right post.
On 64 minutes, in a bid to open the door to goal, Pochettino brought on Lucas Moura for his league debut. It was his 150th goal for Tottenham in all competitions.
But the deadlock was broken finally, much to the heartbreak of the home fans.More news: Orlando Brown Is Having A Rough NFL Combine
His 88th minute clincher also put England forward Kane back to the top of the Premier League goalscoring charts.
But after the lively Serge Aurier also missed an open goal at the back post and another good save from Hennessey denied Davies, Kane popped up with the victor at the death.
Tottenham continue to knock and took them up to fourth place in the Premier League table.
Spurs' relief was matched by the frustration felt by Palace, who appeared to have done enough to hold on to the point.
Brazil global Moura could be in line to make his second start for Spurs on Wednesday night as Mauricio Pochettino's men face League One Rochdale in a FA Cup replay, against whom Moura made his first start earlier this month.More news: Trains, buses and flights cancelled as roads empty for gritters