The UFC returns to London with a packed card featuring some familiar names and a few fresh faces. This event, UFC Fight Night 255, is set to take place at The O2 arena.

The main event pits Leon Edwards against Sean Brady. Leon Edwards, ranked second in the welterweight division, is a seasoned fighter with a record of 22 wins and 4 losses. His opponent, Sean Brady, ranked seventh, has a record of 17 wins and just 1 loss. Both fighters have been on a roll, each winning 4 of their last 5 fights. This matchup is particularly interesting because it's a chance for Brady to prove he can beat a top contender. Edwards, on the other hand, will be looking to solidify his position as a top fighter in the division.

In the co-main event, Jan Blachowicz takes on Carlos Ulberg. Blachowicz, ranked sixth in the light heavyweight division, has a record of 29 wins, 10 losses, and 1 draw. Ulberg, ranked ninth, has a record of 12 wins and 1 loss. Blachowicz has had a mixed run lately, with 2 wins, 2 losses, and 1 draw in his last 5 fights. Ulberg, however, has been on a winning streak, with 5 straight victories. This fight could be a turning point for both fighters. Blachowicz needs a win to stay in the title conversation, while Ulberg has a chance to make a big statement with a victory over a ranked opponent.

The undercard is filled with exciting matchups as well. Kevin Holland faces Gunnar Nelson in the welterweight division. Holland has a record of 26 wins and 13 losses, while Nelson has a record of 19 wins, 5 losses, and 1 draw. Both fighters have had ups and downs recently, with Holland winning just 1 of his last 5 fights and Nelson winning 3. This fight could go either way, making it a must-watch.

In the women's strawweight division, Molly McCann takes on Alexia Thainara. McCann has a record of 14 wins and 7 losses, while Thainara is undefeated in the UFC with a record of 11 wins and 0 losses. McCann has struggled lately, winning just 2 of her last 5 fights. Thainara, on the other hand, has been dominant, winning all 5 of her fights. This fight could be a breakthrough for Thainara if she can beat a more experienced fighter like McCann.

The preliminary card features several promising matchups. Jai Herbert faces Chris Padilla, Felipe dos Santos takes on Lone'er Kavanagh, and Mick Parkin goes up against Marcin Tybura. These fights might not get as much attention, but they're crucial for the fighters involved. A win here could mean a step up in competition and a chance to make a name for themselves.

The MMA Junkie staff has made their picks, and the consensus is clear. Most staff members believe that Edwards, Ulberg, Nelson, Thainara, and Vucenic will come out on top. However, there are a few dissenting opinions, which adds to the excitement. The readers' consensus picks are similar, with a slight edge given to the favorites. But in MMA, anything can happen. The underdogs always have a chance to pull off an upset, and that's what makes this sport so thrilling.

Can the underdogs pull off upsets in London?

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