Raquel Pennington is defending her UFC bantamweight belt at UFC 307 October in Salt Lake City. But Pennington should be worried about more than Julianna Peña. MMAfighting news shows one of the rising contenders to challenge Pennington next after a successful defense will also be fighting that night.

Former PFL champion and Olympic gold medalist Kayla Harrison will be on the slate to fight Ketlen Vieira. Harrison put the rest of the division on notice when she debuted in the UFC by mauling former champion Holly Holm. It was previously thought the weight cut to 135 pounds would be too difficult for Harrison to make .

However, Harrison had no issues making the weight to debut at UFC 300. Throughout Harrison’s career, she has made a habit of bullying her opponents on the ground. Harrison is 17-1 overall in her career and has six wins by knockout and five by submission.

Vieira is a tough opponent who has victories over former champions Miesha Tate and Holm. However, Vieira isn’t on the same grappling level as Harrison. Here’s a look at the rest of the fights on the card, including the recent addition of former featherweight champion José Aldo.

This card is still lacking a main event. José Aldo, 37, is the most successful featherweight champion in UFC history. During the early to middle part of the 2010s, Aldo defended his featherweight crown seven straight times before losing in spectacular fashion to Conor McGregor.

Aldo decided to come out of retirement from MMA to f.