Caleb Plant has hit back at his haters and urged them to boo him all they want during a tense weigh-in with Saul ‘Canelo’ Alvarez that saw boxing great Mike Tyson make an appearance.

Alvarez and Plant took to the scales for a formal weigh-in in front of around 5000 boxing fans this morning.

Plant weighed in at 75.7kg while Alvarez came in at 76.2kg.

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The fight program starts at 12pm tomorrow.