The Newcastle United legend didn't hold back when giving his opinion on the match.
Premier League fans couldn't believe the guest that arrived in the Sky Sports studio post-match.
Horner was sacked as team principal and CEO of Red Bull Racing in July - five months before Marko's own departure.
The Liverpool star held the record for just a matter of hours.
The midfielder moved to the Bundesliga side from Sunderland over the summer but has struggled for form in Germany.
The Black Cats were 1-0 victors in the Tyne-Wear derby thanks to Nick Woltemade's own goal.
Vaughan is in Australia for the Ashes series against England.
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The Manchester United midfielder has struggled for regular game time under Ruben Amorim.
Cullen was speaking after defeating Bradley Brooks 3-0 in round one of the 2026 World Darts Championship.
The motorsports legend has revealed the details of his Red Bull exit following the 2025 season.
Amorim has recently brought up his one-year anniversary as United manager.
Sunderland are hosting rivals Newcastle United at the Stadium of Light.
The top 10 best-selling football shirts in Europe have been revealed.
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The veteran forward joined the Serie A side from Leicester City last summer.
The incident took place on Sunday at Bondi Beach, Sydney, Australia.
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The Egyptian star came off the bench for Liverpool a week after a bombshell interview which raised questions over his future.
There was speculation that President Trump would be in attendance for Cena's final match, hosted in Washington D.C.
The 71-year-old darts star was taken aback by Littler's comments.
Oscar Piastri has been linked with a move away from McLaren.
The mood has been set ahead of the historic rivals facing each other in a Premier League Tyne–Wear derby.
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Mohammed Bin Salman has been linked with buying a huge club.
Mohamed Salah was back in action for Liverpool against Brighton and Hove Albion.
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Alfie Burden won the 2025 Snooker Shoot Out in Blackpool by beating Stuart Bingham.