The Bulgaria striker scored in the seventh minute and was instrumental in the second just 10 minutes later, scored by England international midfielder Jermaine Jenas.

Berbatov, signed for 10.9 million pounds (20.6 million dollars) in the pre-season from German side Bayer Leverkeusen, got his first goal in a Spurs shirt thanks to some impressive work from England winger Aaron Lennon.

He turned Blades defender Chris Armstrong time and again before firing in a low cross for Berbatov to score from close range.

For the second, he headed down a pass from Republic of Ireland striker Robbie Keane into the path of Jenas who clipped the ball over goalkeeper Paddy Kenny.

Tottenham boss Martin Jol said expectations would not be a worry at White Hart Lane this season and praised the way Keane and Berbatov played together in attack.

"They played with five at the back and Robbie's so clever, he dropped off at the right moments and Berbatov played well as well so I think we caused them a lot of problems," said the Dutchman.

Blades boss Neil Warnock admitted Spurs deserved the victory but said he was proud of his side's effort.

"I thought they were a super side," he said.

"For the first 25 minutes we couldn't get near them. It was a disappointment because we were a little bit sluggish in certain departments.

"Overall we were beaten by a good side. I thought Keane was fantastic; what can you say about players like that?"

Spurs played stylish football with South Korea full-back Lee Young-Pyo and Lennon combining well down the left flank.

Keane missed a second-half chance to make it 3-0 but was nonetheless given a standing ovation when he was replaced by Jermain Defoe with eight minutes remaining.

The England striker wasted no time in making his presence felt and twice forced Kenny into good saves as Tottenham swaggered to victory.

Spurs had lost 2-0 at Bolton in their opening Premiership fixture on Sunday while Sheffield United drew 1-1 with visitors Liverpool, who benefited from a dubious penalty decision.