May has been a month of major upsets in boxing — and Armando Resendiz's shocking victory over Caleb Plant may be the biggest of them all.

Just a few weekends ago, boxing fans and promoters were reminded of the risks of scheduling popular fighters in tune-up fights prior to matching them against each other. On Saturday, Caleb Plant and Jermall Charlo will look to avoid the pitfalls faced by Devin Haney and Ryan Garcia with the intent to make a big showdown later this year.

Caleb Plant enters the ring to face Jose Armando Resendiz in Las Vegas. Here is what to know about the Saturday night's boxing match.