Wilson Odobert (right) scored his first two goals for Tottenham since a summer move from Burnley
Wilson Odobert scored twice to save Tottenham Hotspur's season as they overcame a first-leg deficit to beat AZ Alkmaar and reach the Europa League quarter-finals.
Sitting 13th in the Premier League and out of both domestic cups, this competition is Spurs' only remaining chance of success.
They were poor in the first leg last week in the Netherlands, losing 1-0, but much improved at home on Thursday.
Odobert opened the scoring with his first goal for the club when Dominic Solanke picked him out in space to fire into the top corner.
Tottenham took the lead in the tie early in the second half when James Maddison played a one-two with Son Heung-min in the box before curling home.
Spurs gifted AZ an aggregate equaliser, with a mix-up between Odobert and Lucas Bergvall allowing Peer Koopmeiners to drill home.
But Odobert made amends and won the tie - finishing off a fantastic team move that started in the hosts' own half by tapping in from close range.
AZ had a big chance to level again with Troy Parrott's effort saved by Guglielmo Vicario and Mees de Wit's rebound cleared off the line by Yves Bissouma.
Spurs will play Eintracht Frankfurt, who beat Ajax 6-2 on aggregate, in the last eight.
A textbook Spurs display - both good and bad
Tottenham had plenty to celebrate - as well as a few trademark shaky moments - as they won a game of huge consequence.
It gives boss Ange Postecoglou some breathing space for another month, with their games against Frankfurt on 10 and 17 April.
Spurs showed a positive attitude in the second leg and scored from their first chance.
Son blocked a clearance and Solanke squared unselfishly for Odobert to net his first goal since a £25m move from Burnley in the summer.
Solanke showed intent by grabbing the ball off the AZ goalkeeper and running back to the halfway line as he looked to get things going again immediately.
Spurs captain Son looked bright and caused the AZ defence problems - and was involved in his side taking the lead in the tie.
The hosts won the ball back in their own half, and Maddison netted after a give-and-go with the South Korea forward.
But just as things were looking comfortable, Spurs let AZ back into the tie out of nowhere. Odobert let the ball run for Bergvall, who kicked the ball off his team-mate to let Koopmeiners in to score.
However, after that blip it was back to the good side of Tottenham as they scored a flowing 'Ange-ball' goal.
Maddison ran forward with the ball and Djed Spence's cross was flicked on by Solanke for Odobert to slot into an empty net from four yards out.
But Spurs are unable to sit back and see a game out comfortably. They left AZ striker Parrott, a former Spurs youngster, free in the box twice for late opportunities.
The first saw both the Irishman and De Wit denied - and then Mexx Meerdink headed over instead of letting the ball run for Parrott, who may have been better placed.
Tottenham are through, though - and in another boost first-choice centre-backs Cristian Romero and Micky van de Ven were able to start together for the first time since December.
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