Thomas Tuchel hailed Chelsea's distracted stars for ignoring the news of Roman Abramovich's impending club sale to grind to FA Cup victory at Luton.
Romelu Lukaku's late goal sunk Luton 3-2 at Kenilworth Road to send Chelsea into the sixth round, after earlier efforts for Saul Niguez and Timo Werner.
Reece Burke and Harry Cornick had second-tier Luton dreaming of a major upset, but the European champions struck back and found a route to a gritty victory.
Thomas Tuchel said it was hard for his players to focus against Luton amid the circumstances
Blues owner Abramovich announced his intention to sell Chelsea an hour before kick-off at Luton.