Chelsea won their second straight Premiership title with a 3-0 victory over Manchester United but injury to Wayne Rooney, just 42 days before England start in the World Cup, marred the championship party at Stamford Bridge.

The home side started at a brisk pace and took the lead with just five minutes on the clock when Frank Lampard's corner was headed goalwards by Didier Drogba and William Gallas, completely unmarked, nodded home from close range.

Rooney should have levelled in the 22nd minute but he dragged his shot wide with only Petr Cech to beat after a superb run through the heart of the Chelsea defence.

Rooney was thwarted by Cech from 25 yards as United ended the half strongly, with John O'Shea also heading over from 12 yards.

Jole Cole chipped just wide 10 minutes after the restart as the Blues looked for the killer second goal.

But the England man did find the back of the net in the 61st minute when he turned former West Ham team-mate Rio Ferdinand before producing a clinical finish beyond Edwin van der Sar.

And it was 3-0 in the 73rd minute when Ricardo Carvalho started and ended a move which begin in his own penalty area - smashing past van der Sar from 12 yards after a fine counter-attacking move from the champions.

Things went from bad to worse for United, and potentially England, late on when Rooney was stretchered off with a serious looking foot injury. But it was Chelsea's day as they deservedly celebrated yet another Premiership crown.

Rooney, who will not play in Monday's game at home to Middlesbrough, was later seen on crutches getting onto the United team bus at Stamford Bridge.

United manager Alex Ferguson was reluctant to speculate about the extent of Rooney's injury. "We don't know," he said. "We'll have to wait until we get to Manchester. He's being looked after and we'll see.

"When a player is taken off we're always concerned but hopefully Wayne's is not a bad one. He will not be playing on Monday."

Chelsea manager Jose Mourinho said winning the title again was a "fantastic feeling".  "We know one day we will have to lose the championship but successive Premierships is difficult," he said.

"Manchester United have been magnificent and today doesn't show how difficult they made it for us. Of course, we deserve to win the title."

Last year Chelsea picked up the title at Bolton, and Mourinho was delighted his men could savour this season's celebrations on home soil.

"It is here and at our home," Mourinho added. "I said to the team before that we cannot allow a team to come here and let the cup go [to another team]."

United look likely to finish second in the table, although defeat means Liverpool are now within range.

Chelsea captain John Terry struggled with a foot injury but said: "There was no way I was coming off."

He added: "What a season! To retain the title is absolutely fantastic. We found it more difficult going to places and getting results but we dug in and did it again.

"That's the best atmosphere I've ever seen at the Bridge. That's a great result against a great side."

Amid the celebrations, Terry was concerned for Rooney. "I just tried to go in the dressing room to see him but security wouldn't let me," said Terry.