Arsenal and Chelsea have been busy in the latter stages of transfer deadline day, with incomings and outgoings on the cards for both teams. Over the past few hours, speculation regarding the Gunners’ pursuit of Blues ace Raheem Sterling has reached fever pitch. And now, according to Sports Zone, there has been a significant breakthrough which should see the deal on the home straight. READ MORE: David Seaman sends message to Aaron Ramsdale as he leaves Arsenal to join Southampton Arsenal breakthrough with Chelsea for Raheem SterlingSports Zone have claimed on X that Sterling is now “to join Ars…