The buildup to the summer transfer window has now begun, with rumours and speculation continuing to swirl as Chelsea eye possible reinforcements.

The Blues failed to bring in a single player during the January window, despite seeing their transfer ban cut short by FIFA.

Here, Sports Mole rounds up the latest news on possible comings and goings from Stamford Bridge.

Wednesday morning's headlines:

RB Leipzig forward Timo Werner 'turned down Manchester United for Chelsea'
Manchester United reportedly offered a contract to RB Leipzig forward Timo Werner before he allegedly opted to sign for Chelsea. Read more.

Manchester City join race to sign Porto defender Alex Telles?
Manchester City may reportedly join the race to sign Porto defender Alex Telles, who will leave the Portuguese giants during the next transfer window. Read more.

Tammy Abraham 'to use Timo Werner wage as leverage in Chelsea contract talks'
Chelsea striker Tammy Abraham may reportedly benefit from Timo Werner's expected arrival at Chelsea by negotiating a more favourable contract at Stamford Bridge. Read more.

Manchester United's Bruno Fernandes named most valuable midfielder in world
Bruno Fernandes is crowned the most valuable midfielder in the world with a supposed valuation of £93.5m after starring during his first half-season at Manchester United. Read more.

Chelsea 'signing Timo Werner for nearly £30m less than his value'
Timo Werner has been valued at £80.5m by CIES Football Observatory, nearly £30m more than Chelsea are expected to hand over for the RB Leipzig striker. Read more.

Report: Chelsea plotting £75m move for Bayer Leverkusen's Kai Havertz
A report claims that Chelsea have turned their attention to signing Bayer Leverkusen attacker Kai Havertz after reaching an agreement for RB Leipzig's Timo Werner. Read more.