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The UFC makes its annual stop in London on Saturday with UFC Fight Night 255 at The O2 (ESPN+).

Former welterweight champion Leon Edwards (21-4 MMA, 13-3 UFC) gets another headlining bout on home soil when he attempts to rebound from his title loss to Belal Muhammad last August against the surging Sean Brady (17-1 MMA, 7-1 UFC), who seeks the signature win of his career thus far.

For all the numbers around the main event, as well as the rest of the card, check below for MMA Junkie’s pre-event facts about UFC Fight Night 254.

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Leon Edwards vs. Sean Brady

Leon Edwards

Leon Edwards

Edwards vs. Belal Muhammad at UFC Fight Night 187 is one of two main events in company history to end in a no contest due to a fouled fighter behind unable to continue.

Edwards vs. Muhammad 2 at UFC 304 is one of four matchups in UFC history to feature two competitors on UFC unbeaten streaks of 10 or more fights. Edwards vs. Kamaru Usman (UFC 278), Islam Makhachev vs. Charles Oliveira (UFC 280), and Makhachev vs. Alexander Volkanovski (UFC 284).

Edwards is the only Jamaican-born champion in UFC history.

Edwards is one of two undisputed British titleholders in UFC history. Michael Bisping also accomplished the feat.

Edwards’ 13-fight UFC unbeaten streak at welterweight, which ended at UFC 304, is the second-longest streak in divisional history behind Usman (15).

Edwards’ eight-second knockout of Seth Baczynski at UFC Fight Night 64 is the third fastest in UFC welterweight history. Jorge Masvidal holds the record with his five-second finish of Ben Askren at UFC 239 this month.

Edwards’ victory at 4:59 of Round 3 at UFC Fight Night 127 is tied for the second latest knockout in a three-fight UFC fight behind Ricky Simon’s victory over Merab Dvalishvili at 5:00 of Round 3 at UFC Fight Night 129.

Sean Brady

Sean Brady

Brady competes in his second UFC headliner. He’s 1-0 in previous main events.

Brady has earned four of his seven UFC victories by decision.

Jan Blachowicz vs. Carlos Ulberg

Jan Blachowicz

Jan Blachowicz

Jan Blachowicz (29-10-1 MMA, 12-7-1 UFC) returns to competition for the first time since July 29, 2023. The 602-day layoff is the longest of his more than 18-year career.

Blachowicz is one of two Polish champions in UFC history. Joanna Jedrzejczyk also accomplished the feat.

Blachowicz vs. Magomedov Ankalaev at UFC 282 is one of six title-fight draws in UFC history.

Blachowicz becomes the fifth fighter in UFC history to make 21 or more light heavyweight appearances.

Blachowicz is one of four light heavyweights in UFC history to earn a knockout stemming from a body kick. He accomplished the feat at UFC Fight Night 53.

Carlos Ulberg

Carlos Ulberg

Carlos Ulberg’s (10-1 MMA, 7-1 UFC) seven-fight UFC winning streak at light heavyweight is the longest active streak in the division.

Ulberg lands 57.1 percent of his significant strike attempts in UFC light heavyweight competition, the second-highest rate in divisional history behind Alex Pereira (64.4 percent).

Ulberg lands 7.28 significant strikes per minute in UFC light heavyweight competition, the highest rate in divisional history.

Gunnar Nelson vs. Kevin Holland

Gunnar Nelson

Gunnar Nelson

Gunnar Nelson (19-5-1 MMA, 10-5 UFC) makes just his third UFC appearance since September 2019.

Nelson has earned 17 of his 19 career victories by stoppage.

Nelson’s seven submission victories in UFC welterweight competition are most in divisional history.

Nelson lands 60.5 percent of his significant strike attempts in UFC welterweight competition, the best rate in divisional history.

Kevin Holland

Kevin Holland

Kevin Holland (26-13 MMA, 13-10 UFC) becomes the first fighter to make two UFC appearances in 2025. He also competed at UFC 311 in January.

Holland returns to welterweight again after a three-fight stint at middleweight. He’s 4-3 in the UFC when competing at 170 pounds.

Molly McCann vs. Alexia Thainara

Molly McCann

Molly McCann (14-7 MMA, 7-6 UFC) is 1-1 since she dropped to the UFC strawweight division in February 2024.

McCann one of two fighters in UFC history with multiple knockout victories stemming from a spinning back elbow. Ricardo Ramos also accomplished the feat.

McCann is one of two fighters in UFC history to land 100 or more significant strikes in three consecutive women’s flyweight fights. Sabina Mazo also accomplished the feat.

McCann has earned a fight-night bonus for her past four UFC wins.

McCann’s three fight-night bonuses for UFC women’s flyweight bouts are most in divisional history.

Nathaniel Wood vs. Morgan Charriere

Nathaniel Wood

Nathaniel Wood (21-6 MMA, 8-3 UFC) is 4-1 since he moved up to the featherweight division in July 2022.

Wood lands 58.5 percent of his significant strike attempts in UFC featherweight competition, the third-highest rate in divisional history behind Jack Jenkins (59.7 percent0 and Bryce Mitchell (59.6 percent).

Marcin Tybura vs. Mick Parkin

Marcin Tybura

Marcin Tybura’s (26-9 MMA, 13-8 UFC) seven decision victories in UFC heavyweight competition are second-most in divisional history behind Andrei Arlovski (12).

Tybura has landed 1,622 total strikes in UFC heavyweight competition, the second-most in divisional history behind Arlovski (1,907)

Mick Parkin’s (10-0 MMA, 4-0 UFC) four-fight UFC winning streak at heavyweight is tied with Waldo Cortes-Acosta for the longest active streak in the division.

Christian Leroy Duncan vs. Andrey Pulyaev

Christian Leroy Duncan

Christian Leroy Duncan (10-2 MMA, 3-2 UFC) is 2-2 in his past four fights after starting his career 8-0.

Duncan has earned nine of his 10 career victories by stoppage. That includes all three of his UFC wins.

Duncan lands 62.5 percent of his significant strike attempts in UFC middleweight competition, the second-best rate in divisional history behind Anthony Hernandez (63.4 percent).

Shauna Bannon vs. Puja Tomar

Puja Tomar

Puja Tomar (9-4 MMA, 1-0 UFC) became the first Indian-born female fighter to earn a UFC victory when she won at UFC on ESPN 57.

For more on the card, visit MMA Junkie’s event hub for UFC Fight Night 255.

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

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