"I don't want to talk about it too much".
Newcastle centre-back Paul Dummett could be out for two weeks, according to manager Rafa Benitez.
Alli kicked the ball away as the Newcastle midfielder bent down to collect it. Shelvey then thread on Alli's ankle, the referee spotted it and sent him off.
The game suddenly burst into life, with Gayle forcing Hugo Lloris into a save at his near post, but Newcastle's positive response soon fizzled out.
Alli lost Lascelles inside the box and guided a lovely ball from the right courtesy of Eriksen across Elliot and into the net.
With 20 minutes left, Ben Davies was found by Eriksen with the Welshman scoring the second goal of the game.
With the scores locked at 0-0 at the time of the red card, Spurs took full advantage of the numerical superiority and goals from Alli and Ben Davies secured all three points.
Newcastle travel to Premier League newcomers Huddersfield Town who were impressive in winning their first top-flight fixture on Saturday.
The former Crystal Palace man was Benitez's main attacking weapon last season but the forward will now have to prove that he can be equally as effective in the Premier League.
"We created a couple of chances but after the red card, when we had ten men, it became really hard". We need more competition between us. - None of the last 10 winners of the Championship have won their opening match in the Premier League the following season (D2 L8).