Chelsea have turned down Arsenal's offer of €20 million (£17m/$23m) for defender David Luiz, reports Le10Sport.
The Gunners are targeting defensive reinforcements in the summer, and the 31-year-old Blues defender could fit the bill after he fell out of favour at Stamford Bridge last season.
Arsenal have yet to return with an improved option for the Brazilian.
Griezmann announces Atletico stay
Atletico Madrid star Antoine Griezmann has confirmed he will stay at the club, despite interest from Barcelona.
In a televised announcement, the 27-year-old France international ended intense speculation over his future by declaring his intention to remain at the Wanda Metropolitano.