Chris Wilder and Jurgen Klopp face off for the fourth time on Sunday as Sheffield United host Liverpool at Bramall Lane. And it will be intriguing to see how the two managers greet each other ahead of kick-off following their recent spat.
The pair have an unusual relationship, which started off full of respect but appears to have declined in recent months. And despite their claims ahead of the match that the issues between them have been resolved, don't rule out further fireworks between Wilder and Klopp if there is controversy in the match.
Here is a look at how the unusual rivalry between the two men has developed... Bonding over a beer Following Sheffield United's promotion to the Premier League in 2019, Wilder's Blades met Klopp's
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