Bellator 301 Weigh-in Results:

What might be Bellator MMA's final event of the year is now official.

Headlining Bellator 301 is a welterweight title fight between champion Yaroslav Amosov and challenger Jason Jackson. The co-main event will also see the bantamweight championship on the line as Sergio Pettis looks to unify against interim beltholder Patrick Mix. All fighters on the card made weight, with the exception of Keri Melendez, who came in .6 pounds over the flyweight limit for her fight against Sabriye Sengul. She has been fined a percentage of her purse, and the fight will otherwise proceed as scheduled.

The undefeated Amosov (27-0) is coming off decision wins over Douglas Lima and Logan Storley. The 30-year-old…