The north Londoners will now take a three-goal bumper to the intimidating Signal Iduna Park in three weeks time.
Heung-min Son volleyed Spurs ahead after two minutes, with Jan Vertonghen then capping off a fine performance with a goal to follow his assist. I didn't have to do anything, just touch the ball.
Mauricio Pochettino's side struggled in the opening 45 minutes but, as has often been the case in the Champions League this season, they found the net in the second period. "It was one of those nights".
"Jan is technically unbelievable and can play in any position". I really enjoy watching him.
The Bundesliga leaders arguably edged the first-half with their English teenage superstar Jadon Sancho showing moments of superb skill as he tormented Davinson Sanchez on the right flank, whereas a muted Spurs failed to register a single shot on goal.
"Next time when Son scores I'll go to the dressing room and shower and wait for the end of the game", said Pochettino. The second half was very, very good.
"It's only the first leg, the first half of the tie". It was hard to find what the best position was in both directions.
"Also we were a bit lucky because it was a massive confidence boost when Sonny scored - it made the team play much better". It's like we weren't comfortable. "That was the most important message he gave to us". "We have watched games back from the past where we have lost and we have taken a lot on board".
"I don't close doors to any possibility and less so for Athletic, who have given me everything and where I grew up as a person and as a player".
Both those attributes have been essential during a winter slog that has seen Tottenham play 22 matches in 82 days.
18-year-old winger Sancho had a quiet night on his return to his native England, but the ex-Manchester City youngster admitted he was just pleased to be home.
He could have stuck to the system but he changed their attitude in the second-half.
"We have been in the Champions League for the last couple of years so we are starting to learn what teams are like", Winks said.
We were good in the first half but this is very bitter.
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