Tottenham manager Harry Redknapp gave Roman Pavlyuchenko a pat on the back after his first league goals of the season — then told him to start knuckling down.
The Russian, who had looked set to return to his homeland with Lokomotiv Moscow last month, struck twice late on to finish off Wigan.
With Jermain Defoe also on target, Tottenham moved up to fourth place in the table and into a Champions League spot.
On Pavlyuchenko, Redknapp said: “They (the fans) love him. He has got ability and, when he wants to play and wants to work, he's great.
“It was a great performance from us today. I was really pleased with the attitude we showed.”
Defoe made the breakthrough in the 27th minute with his 22nd goal of the season — he had scored five against Wigan earlier in the campaign in the 9-1 rout.
However, he looked to be in an offside position at the back post when Gareth Bale played the ball across.
Tottenham struggled to extend their lead until Pavlyuchenko was introduced for Defoe in the second half.
He opened his account in the 85th minute after substitute Luka Modric, who had earlier hit a post, supplied the opening.
Pavlyuchenko then completed the job in stoppage time when he found a way past goalkeeper Chris Kirkland at the second attempt.
The only disappointing note for the visitors was the loss of Ledley King to a torn leg muscle in the second half.