West Ham have stepped up their interest in Chelsea striker Armando Broja with an official bid.
Broja spent last season on loan at Southampton, where he has developed into one of the best young strikers in England.
The Albanian forward recently returned to Chelsea, and was initially omitted from their pre-season tour squad.
Broja has now linked up with his teammates, but he could be on the move this summer.
According to The Athletic, West Ham have submitted an offer to Chelsea for Broja worth in…