Chelsea owner Roman Abramovich is set for a £400million windfall after he sells his 40 per cent stake in a gold company.The Russian has seen his net worth drop by a whopping £2.4billion this year due to the coronavirus pandemic and an injection of cash is needed.It could mean good news for Blues fans, who have already been buoyed by the club’s transfer activity in recent times.Not only have Timo Werner and Hakim Ziyech already been secured but there are rumours of big money moves for the likes of Kai Havertz and Ben Chilwell.Abramovich’s windfall may mean even more money for Frank Lampard to spend as he looks to strengthen the squad.And it could also be good news for the proposed stadium extension, with plans having expired amid the.