Chelsea warned of Fellaini

London - Chelsea will have to be wary of the danger posed by the in-form Marouane Fellaini when Manchester United visit Stamford Bridge on Saturday, according to his team mates Ashley Young and Chris Smalling.

Fellaini has played a key role in United's run of six straight league wins and the towering Belgium midfielder received a standing ovation from the Old Trafford crowd when he was substituted near the end of Sunday's 4-2 victory over Manchester City.

"Felli has been brilliant," Young told the club's in-house TV channel. "Everyone will say the same.