Chelsea star Alvaro Morata has been ruled out for six weeks, according to the Mirror.
The 24-year-old was withdrawn in the first half of Chelsea's loss to Manchester City on Saturday.
The move was originally believed to be precautionary to try and not aggravate a minor injury.
However, it is now understood that the injury is indeed a grade two hamstring tear, as confirmed by the Spanish Football Federation.
For Chelsea, it is a huge blow given their lack of resources up front. Michy Batshuayi is Morata's only back-up and he'll be tasked to lead the line for the rest of October, and maybe beyond.