Alli’s contribution sealed a 2-1 win at St James' Park.
The 22-year-old looked sharp in the season opener.
Jamie Redknapp has heaped praise on Dele Alli after the England international scored the winning goal in Tottenham’s 2-1 win over Newcastle.
Alli, who was the man-of-the-match when Rafa Benitez’s side hosted Spurs on Saturday, is an “incredible performer” according to the former Tottenham and Liverpool midfielder.
"He looked sharp," Jamie Redknapp told Sky Sports. "He ghosts into the box and it's what he does so well. We saw it in the World Cup as well.
"It's a brilliant header, make no mistake about it. It wasn't an easy one because he's got to head it back across the goal, but he makes it look so easy. It's a really accomplished finish.
"Steven Gerrard and Frank Lampard did it for years. Getting 10 or 15 goals from midfield is invaluable."
Redknapp added: "He's only 22. You have to check yourself sometimes and realise how much he has already done at such an early age.
"He's an incredible performer."