Chelsea plan to open talks with Arsenal for Alex Oxlade-Chamberlain.
Oxlade-Chamberlain has one year left on his contract and has so far failed to reach an agreement with Arsenal over extending.
Sky Sports says Chelsea are now ready to take advantage of the situation.
Chelsea will up their efforts to sign the England international with manager Antonio Conte closely monitoring events.
Chelsea have spent big this summer and earlier today confirmed Alvaro Morata as their fourth signing of the summer.
Stealing a player from direct rivals Arsenal would represent a major coup for the Premier League champions.