The Blues believe Dortmund will be unable to refuse such a high bid
Chelsea are preparing to offer Borussia Dortmund up to £150 million ($207m/€175m) for star striker Erling Haaland, writes 90min.
Haaland and Kylian Mbappe are considered the best young forwards potentially available on the transfer market, and after Manchester United locked down Jadon Sancho, the stakes will be even higher for the Blues to buy one of them to improve their attack.