Reports emerged on Sunday that the Premier League’s so-called ‘big six’ of Arsenal, Chelsea, Liverpool Manchester City, Manchester United and Tottenham Hotspur intended to join a rebel competition.
Those plans were confirmed later that evening, with AC Milan, Atletico Madrid, Barcelona, Inter Milan, Juventus and Real Madrid joining as founding clubs with three more clubs expected to follow before the inaugural season.
Backlash to the idea has been fierce from supporters and pundits alike for the tournament which has been set up to rival the Champions League.
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Leeds placed a banner opposing the idea inside Elland Road that read: "Earn it. Football is for the fans."
United's first team squad also put on t-shirts in the warm-up ahead of kick-off with the same message.
Klopp, though, wasn't impressed by the display with Leeds also leaving a number of t-shirts in the visiting dressing room.
“I heard already there are warm-up shirts or whatever,” Klopp said.
“We will not wear them because we cannot. But if somebody thinks he has to remind us you have to earn the Champions League, that’s a real joke. It makes me angry.”
Former Liverpool player Jamie Carragher said the shirts were a "message to the owners".
"It's a message to the owners," he told Sky Sports.
"It's a message to Liverpool's owners and the supporters I know. One of these managers has come out, the other five need to come out. That will be the start, it will only get bigger. I think there's enough people in football who don't want this for it to be stopped."
Fans from both clubs protested outside Elland Road ahead of kick-off over the plans.