Bayer Leverkusen coach Peter Bosz accepts that a deal for Kai Havertz to leave the club could be completed by August, with Chelsea, Real Madrid and Manchester United among those competing for the 21-year-old German forward.

Chelsea could save £20m on top transfer target Kai Havertz - depending on whether Bayer Leverkusen qualify for the Champions League.

Chelsea want to sign Germany and Bayer Leverkusen's 21-year-old attacking midfielder Kai Havertz and are willing to pay £70m, although the Bundesliga club value him at £90m.

Chelsea are willing to offer £75m for Kai Havertz, but Bayer Leverkusen value the 21-year-old Germany midfielder at £90m.

The Blues have made contact with the German Bundesliga club about signing 20-year-old Kai Havertz, while Brentford's winger Said Benrahma is also on the Chelsea shortlist.