Chelsea scored four unanswered goals in the second half to earn a comfortable 4-0 win over Burnley at Turf Moor, while Philippe Coutinho was the pick of Aston Villa's performers as they overwhelmed Southampton 4-0 at Villa Park on Saturday.
Turkish billionaire Muhsin Bayrak is the latest bidder to enter the race to buy Chelsea, according to widespread reports in the British press on Friday.
Premier League chief executive Richard Masters welcomed Roman Abramovich's decision to put Chelsea up for sale on Thursday as fans thanked the Russian for the club's "unparalleled success" under his ownership.
Middlesbrough will look to knock another of the Premier League's major clubs out of the FA Cup after being drawn at home to Chelsea in the quarter-finals.
Thomas Tuchel admitted he cannot imagine life without Roman Abramovich after the Russian billionaire's stunning decision to put Chelsea up for sale.
Chelsea survived a major FA Cup scare to reach the quarter-finals with a 3-2 win at Luton just hours after Roman Abramovich put the club up for sale on Wednesday, while Liverpool edged Norwich 1-0.
Chelsea owner Roman Abramovich confirmed on Wednesday that he will sell the Premier League club adding that it is in the best interest of the club.
"Your input and passion made it possible," Chelsea manager Thomas Tuchel told Roman Abramovich as the pair celebrated a 19th trophy of the Russian billionaire's reign as owner at the Club World Cup earlier this month.
Chelsea manager Thomas Tuchel expressed his frustration at being plagued with questions on Russia's invasion of Ukraine with the future of the club's ownership structure still unclear.
Meet the 11-year-old boy, Beau Brown, who was invited by Alisson and Jurgen Klopp to lift the Carabao Cup trophy with Liverpool on Sunday evening.