UFC 246 takes place Saturday at T-Mobile Arena in Las Vegas with a 12-fight main card set to air on pay-per-view following prelims on ESPN and ESPN+/UFC Fight Pass.

Although the majority of focus is on the welterweight headliner (which has plenty of interesting numbers behind it), the remaining bouts offer a little of something for everyone, including another key women’s bantamweight rematch between Holly Holm (12-5 MMA, 5-5 UFC) and Raquel Pennington (10-7 MMA, 7-4 UFC).

For more on the numbers behind UFC 246, check below for 45 pre-event facts.

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Co-main event

Holm is 2-5 in her past seven UFC appearances dating back to November 2015, when she won the UFC women’s bantamweight title.

Holm’s four consecutive losses in UFC title fights are the most for any female in company history.

Holm’s two head-kick knockout victories in UFC competition are the most of any female in company history.

Holm is one of seven fighters in UFC history to win a championship fight by head-kick knockout. She accomplished the feat at UFC 193.

Holm has been awarded three fight-night bonuses for UFC women’s bantamweight fights, the third most in divisional history behind Ronda Rousey (7) and Nunes (4).

Pennington competes in her 12th UFC women’s bantamweight bout, tied with Nunes for the most appearances in divisional history.

Pennington’s seven victories in UFC women’s bantamweight competition are second most in divisional history behind Nunes (11).

Pennington’s two submission victories in UFC women’s bantamweight competition are tied for second most in divisional history behind Rousey (3).

Pennington is one of six fighters in UFC history to earn a bulldog-choke submission victory. She accomplished the feat against Ashlee-Evans Smith at UFC 181.

Featured bout

Aleksei Oleinik (57-13-1 MMA, 6-4 UFC), 42, is the oldest active fighter in the UFC heavyweight division and is the oldest of the 24 fighters scheduled to compete at the event.

Oleinik becomes the first fighter in MMA history to have professional bouts across four decades (1990s, 2000s, 2010s, 2020s).

Oleinik’s average fight time of 5:01 in UFC heavyweight fights is fourth shortest in divisional history behind Cyril Asker (3:24), Todd Duffee (3:26) and Shane Carwin (4:55).

Oleinik has earned 53 of his 57 career victories by stoppage. That includes his past 16 wins, 11 of which have come in the first round.

Oleinik has earned 45 of his 57 career victories by submission. Of those stoppages, 37 have come in the first round.

Oleinik’s five submission victories in UFC heavyweight competition are third most in divisional history behind Frank Mir (8) and Stefan Struve (6).

Oleinik has earned both of the Ezekiel-choke submission victories in UFC history. He accomplished the feat at UFC 224 and UFC Fight Night 103.

Oleinik attempts 2.4 submissions per 15 minutes of fighting in UFC heavyweight competition, the highest rate in divisional history.

Maurice Greene (8-3 MMA, 3-1 UFC) is one of two heavyweights in UFC history to earn a submission by triangle choke. Struve owns two wins with the technique.

Remaining main card

Claudia Gadelha (17-4 MMA, 6-4 UFC) competes in her 11th UFC strawweight bout, tied for the third most appearances in divisional history behind Randa Markos (13) and Angela Hill (12).

Gadelha’s six victories in UFC strawweight competition are tied for third most in divisional history behind Joanna Jedrzejczyk (9) and Jessica Andrade (7).

Gadelha has alternated wins and losses over her past five fights. She won her most recent bout at UFC 239 in July.

Gadelha’s 33 takedowns landed in UFC strawweight competition are tied with Carla Esparza for the most in divisional history.

Gadelha has been awarded three fight-night bonuses for UFC strawweight bouts, tied for the third most in divisional history behind Andrade (6) and Rose Namajunas (4).

Alexa Grasso (11-3 MMA, 3-3 UFC) has alternated wins and losses over her past six fights. She lost her most recent bout at UFC on ESPN+ 17 in September.

Anthony Pettis (22-9 MMA, 9-8 UFC) has alternated wins and losses over his past nine fights. Her lost his most recent bout at UFC 241 in August.

Pettis returns to the lightweight division for the first time since November 2018. He went 1-1 during his stint at welterweight.

Pettis is one of nine fighters in UFC history to earn victories in three weight classes.

Pettis is 4-7 in his past 11 UFC appearance dating back to when he lost the UFC lightweight title in March 2015.

Pettis has earned 18 of his 22 career victories by stoppage. That includes seven of his nine UFC wins.

Pettis’ five submission victories from a bottom position in UFC/WEC competition are tied with Diaz for most in combined company history.

Diego Ferreira’s (16-2 MMA, 7-2 UFC) five-fight UFC winning streak at lightweight is the fifth longest active streak in the division behind Tony Ferguson (12), Khabib Nurmagomedov (11), Islam Makhachev (6) and Charles Oliveira (6).

Preliminary card

Roxanne Modafferi (23-16 MMA, 2-4 UFC) competes in her sixth UFC women’s flyweight bout, tied with Gillian Robertson for the most appearances in divisional history.

Modafferi is 8-5 since her initial UFC release in November 2013.

Modafferi has alternated wins and losses over her past six fights. She lost her most recent bout at UFC on ESPN 4 in July

Maycee Barber (8-0 MMA, 3-0 UFC), 21, is the youngest of the 24 fighters scheduled to compete at the event.

Barber is 2-0 since she moved up to the UFC women’s flyweight division in March.

Barber has earned seven of her eight career victories by stoppage. She’s won all three of her UFC fights by knockout.

Barber’s three-fight knockout streak in UFC competition is tied with Amanda Nunes and Cris Cyborg for the longest such streak in women’s company history.

Nasrat Haqparast (11-2 MMA, 3-1 UFC) has landed at least one knockdown against all four of his UFC opponents.

Justin Ledet (9-2 MMA, 3-2 UFC) is 0-2 since he dropped to the UFC light heavyweight division in July.

Ledet’s 113 significant strikes landed against Chase Sherman at UFC Fight Night 92 are tied for the second most by any debuting UFC heavyweight behind Tim Sylvia’s 138 at UFC 39.

Tim Elliott (15-9-1 MMA, 4-7 UFC) has alternated wins and losses over his past six fights. He lost his most recent bout at UFC on ESPN+ 19 in October.

Elliott is 2-3 since he returned to the UFC for a second stint in December 2016.

Elliott’s 36 takedowns landed in UFC flyweight competition are third most in divisional history behind Demetrious Johnson (58) and Wilson Reis (44).

Elliott lands 63.2 percent of his takedown attempts in UFC flyweight competition, the highest rate in divisional history.

Brian Kelleher (19-10 MMA, 3-3 UFC) returns to competition for the first time since Dec. 29, 2018. The 385-day layoff is the longest of his nearly nine-year career.

J.J. Aldrich (8-3 MMA, 4-2 UFC) is 1-1 since she moved up to the UFC women’s flyweight division in March.

Aldrich has earned all four of her UFC victories by decision.

UFC research analyst and live statistics producer Michael Carroll contributed to this story. Follow him on Twitter @MJCflipdascript.