Premier League champions Chelsea are allegedly considering suing AWOL striker Diego Costa for up to £50M should the Spanish international continue to refuse to return to the club.

Chelsea, according to the Express, would claim breach of contract against Costa, who is the club's second highest earner with his present deal, which still has 2 years left to run, earning him £185,000-a-week.

Costa, who was named in Antonio Conte's 25-man squad for this season's Premier League season but was left out of their squad for the Champions League, is now thought to be consulting his lawyersahead of a potential lawsuit from the Blues.

Should Chelsea choose to go ahead with their planned lawsuit for Costa, it will definitely be worthwhile seeing how this one pans out, with Costa's future still well up on the air.