Benitez, meanwhile, will be hugely frustrated that Newcastle's return to the top flight was spoiled by Shelvey's peevishness.
The video clearly showed that the number eight jersey was still out of use, with Dele Alli keeping his number 20 shirt and Harry Winks failing to grab a more noteworthy number.
As for Spurs, Kyle Walker-Peters makes his top-flight debut as he solves Pochettino's crisis at right-back.
There was drama just three minutes after the restart when Shelvey was dismissed for reacting to Alli kicking the ball away while down on the ground by treading on his ankle.
Israel preparing to close Al Jazeera offices: minister
Israel has, however, frequently accused it of being biased in reporting the Israel-Palestinian conflict. Al Jazeera has met with accusations of anti-Israel bias and antisemitism for years.
If Pochettino needs to change things at St. James' Park, he can turn to Cameron Carter-Vickers, while Victor Wanyama and Heung-Min Son are also amongst the options on the bench.
The England global was involved in Tottenham's second as his flick was guided into the path of Davies by Eriksen, the left-back finishing a slick move with a cool finish.
Newcastle United manager Rafa Benitez has explained what he thinks cost his side the game, after the Magpies suffered an opening day 2-0 defeat to Tottenham Hotspur, according to local outlet the Newcastle Chronicle. The England worldwide is yet to score a Premier League goal in the month of August since his Spurs debut.
The brain-fade derailed Newcastle's momentum and any chance of pulling off an upset against last years Premier League runner-ups.
The referee had no other option than to issue a clear red card to the England global.