Diego Costa and Antonio Conte fight in training

Reports from England claim Diego Costa
had a traning ground bust up with Chelsea
boss Antonio Conte after received a
lucrative transfer offer from the Chinese
Super League.
Sources at the club who spoke with ESPN
FC claim Costa has trained alone at
Cobham for the past three days after
becoming embroiled in a heated
argument with a fitness coach over an
injury.
Antonio COnte has brought out the best in
Costa so far this season.
Conte however got involved and decided
to punish his striker after siding with
his staff in the dispute.
Chelsea head to the King Power Stadium
on Saturday hoping to preserve their
five-point lead at the top of the Premier
League.
Costa is the division's top scorer with 14
goals in 19 appearances this season, has
not travelled with the rest of the squad
for the clash with the Foxes.
Chelsea declined to comment on the
matter Friday however Costa posted a
support message for Chelsea in
Instagram.
Diego Costa posted this on Instagram
According to the Telegraph, a Chinese
club has informed the Spain
international they are willing to offer
him £30 million-a-year after taxes to
leave Stamford Bridge in January.
Costa's contract runs until June 2019
and while Chelsea were reportedly keen
to tie down their star striker to an
extension prior to the recent dispute.