The 47-year-old played alongside new manager Antonio Conte for the Turin giants and the Italian national team, together winning the Champions League in 1996 alongside several Serie A titles.
Sky Sports Italia’s Gianluca Di Marzio posted an image of the three together as Spurs trained on Tuesday afternoon.
Earlier today, Del Piero also appeared on Sky Sports to deliver his verdict on Manchester United’s search for a new manager.
“Of course they need some stability,” he said.
“After Sir Alex Ferguson left it was difficult for them to find the right manager.
“United, from what I know as an opponent, is still an amazing place with great responsibility.
“It’s not easy to deal with all of this.