Chelsea stunned Aston Villa with a 3-1 win to march on in the FA Cup and ease the pressure on Mauricio Pochettino.
Enzo Fernandez's sensational free-kick added to first-half goals from Conor Gallagher and Nicolas Jackson.
Moussa Diaby's injury-time strike failed to ruin Chelsea's night and the Blues now host Leeds in the fifth round.
Having been humbled 4-2 by Wolves and thumped 4-1 by Liverpool in their two previous games there was an expectation Chelsea would lurch further into crisis in their fourth-round replay at Villa Park.
Instead, while fans sang for former owner Roman Abramovic, their side rolled back the years with a dominant performance akin to those during the Russian's reign.
With progress in the FA Cup and the Carabao Cup final against Liverpool to come at the end of the month, despite a wretched Premier League campaign Chelsea could still salvage success.
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