Nine minutes later, Eriksen ran into the area but was beaten to the ball by Davies, who tucked a close-range finish under goalkeeper Rob Elliot.
Gayle forced a near-post save from Hugo Lloris in the immediate aftermath, but opposite number Elliot had to make a fine 52nd-minute block to deny Harry Kane the opening goal.
North Korea crisis hits stock market raising fears for pension savings
Earlier this week, Trump said the U.S. would unleash " fire and fury " on North Korea if it continued to threaten the U.S. The market indexes wavered between small gains and losses for much of the morning, then veered lower by afternoon.
Moussa Sissoko was booed as his return to St James' Park ended with Son Heung-min taking his place before the hour mark, and Tottenham soon made their extra man count.
The England worldwide 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.
Let's see how today's game will go for Newcastle, as manager Benitez still thinks his team is lacking some quality players to survive in the Premier League. He was also red carded in a Championship match at Nottingham Forest in December 2016.
Benitez had admitted in the run-up to the game that his players would have to battle for their lives throughout the entire campaign, and they did just that before Shelvey's premature exit.