The Spanish scars may still be smarting from their traumas at the Mestalla in midweek, but Leeds moved to within sight of third place and Champions League qualification yesterday with the stands booming to ecstatic oles.
This thumping win hoisted David O'Leary's side above Ipswich and to within a point of Liverpool in the chase for third place.
"To take it to the final afternoon is all you can hope for," said the Leeds manager. "We've given ourselves a chance and we haven't had an ounce of luck all season."
Bradford, humbled and humiliated, at least went down fighting, but - true to their appalling season - it was among themselves. With their defence in tatters after the five-goal first-half salvo, the red mist descended with Andy Myers and Stuart McCall - already sporting a gruesome shiner allegedly from an earlier challenge - coming to blows.
"It was nothing, just a bit of frustration, tempers flared up and there are no hard feelings," Myers said. "We are the best of mates.
"We weren't getting it together on the pitch and there were so many things happening, which eventually boiled over.
"We sorted it out at half-time and they got on with the game after that and as far as I'm concerned that's the end of the matter. There will be no action taken by the club."
When asked whether he had seen the incident, Jefferies said: "I saw some pushing and shoving and at first I thought someone was involved with one of the Leeds players.
"But then I saw there was a bit of close contact and heads bobbing backwards and forwards, but it was all sorted out and we then went on to play much better in the second half.
"Obviously there were a few frustrated things said at half-time because some of the goals we conceded were just ridiculous and we had to point the finger."
City may have been abysmal, but Leeds were utterly irresistible. Poor Aidan Davison, making his first Premiership start of the season, did not know what had hit him.
It took 14 minutes for the floodgates to open. Ian Harte teased Jamie Lawrence on the left touch-line, checked inside and fizzed a right-footed cross into the six-yard box for the unmarked Mark Viduka to dive and flick home a header. Five minutes later McCall's lunge on Viduka prompted the free-kick that Harte curled deliciously into the top corner.
Briefly City stirred as Eoin Jess' neat pass was gathered by Ashley Ward, who turned Danny Mills and crashed a shot beyond Nigel Martyn. Yet the impudence of that riposte merely ruffled Leeds' feathers.
Within five minutes Alan Smith had gathered possession and slotted a precise pass inside the retreating Gunnar Halle. Eirik Bakke tore on to it and the Norwegian toe-poked a blistering shot beyond the crestfallen goalkeeper from an awkwardly acute angle.
Bradford were overwhelmed, their feeble defence creaking with every home attack. Mills, head down and arms pumping, duly blazed a trail to the byline and crossed for Viduka to nod back across goal; from point-blank range, Smith could not miss.
Harry Kewell had slightly more to do when he gathered Martyn's punt two minutes before the interval, but the Australian still managed to cushion the ball and charge at Ian Nolan before streaking past the hapless defender and calmly slotting home.
After such a glut, the second half petered out in the blazing sunshine but, with six minutes of the rout remaining, Lee Bowyer collected Harte's cross, burst through Wayne Jacobs' messy tackle and tapped beyond Davison.
"The squad's a bit thin on the ground and we didn't have a recognised centre-half available," added the Bradford manager Jim Jefferies. "It was a complete nightmare."
Leeds: Martyn, Mills, Ferdinand, Matteo, Harte, Bowyer, Bakke, Dacourt (McPhail 75), Kewell, Smith, Viduka. Subs Not Used: Kelly, Robinson, Wilcox, Maybury. Booked: Dacourt. Goals: Viduka 14, Harte 19, Bakke 27, Smith 38, Kewell 43, Bowyer 84.
Bradford: Davison, Jacobs, Halle, Nolan (Locke 45), Myers, Lawrence, Whalley, McCall, Jess, Ward, Carbone. Subs Not Used: Blake, Walsh, Grant, Kerr. Goals: Ward 22.
Referee: A D'Urso (Billericay).
