Who will win the 5 Hearn vs Warren boxing grudge matches? We predict the victors of sport-defining showdown

Like it or loathe it, but Saudi Arabia's growing influence in the sport of boxing has opened a lot of doors that had previously been locked.

First, we had Tyson Fury's showdown with former UFC heavyweight champion Francis Ngannou to open the Riyadh season last October and just over two months later, we then had the "Day of Reckoning" in the very same Kingdom Arena, with former world champions, Anthony Joshua, Deontay Wilder and Joseph Parker all participating in a hugely stacked card. And the big fights in the Kingdom of Saudi Arabia keep on coming.

Fury and Oleksandr Usyk will do battle for the undisputed heavyweight crown on February 17, while Joshua and Ngannou face off in another mega showdown three weeks later. The wealth of resources poured into these events by Saudi Arabian minister for entertainment Turki Al-Sheikh has also seen long-time promotional rivals Eddie Hearn and Frank Warren work together for the first time and now the two promoters have vowed to put on a stellar show where five boxers from each stable will face off against each other to determine just who has the best pool of fighters.

Record Sport has pulled together five potential matchups in this proposed Matchroom Boxing vs Queensberry Promotions card, and who we think might come out on top.

Of all the potential showdowns, an encounter between former super-middleweight world champion Callum Smith and two-time world title challenger Anthony Yarde would make for a thrilling contest. Both fighters have fallen short at elite world level in the last couple of years, and share a common opponent, having lost to Russian champion Artur Beterbiev for world honours. But a a win for either boxer in this match-up would certainly go a long way to getting them