Chelsea and Aston Villa have been fined by Uefa for breaching the European governing body's financial rules. The two clubs could be prevented from registering new players for Uefa competitions for the forthcoming season unless they have a positive transfer balance by the end of the summer transfer window.

Chelsea: Blues cop hefty UEFA fine after breaching financial fair play regulations - Barcelona, Lyon, and Aston Villa are also among the clubs facing fines

Chelsea and Aston Villa have both been fined for failing to comply with financial regulations put in place by European football's governing body