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The UFC kicks off its final stretch of 2021 events Saturday with UFC on ESPN 31, which takes place at the UFC Apex in Las Vegas and airs on ESPN.
A very important fight in the bantamweight division serves as the main event of the card. Rob Font (19-4 MMA, 9-3 UFC) will attempt to keep his winning streak alive in pursuit of a title shot when he takes on former longtime featherweight king Jose Aldo (30-7 MMA, 12-6 UFC), who continues chase a second belt at 135 pounds.
For more on the numbers behind the headliner, as well as the rest of the card, check below for 45 pre-event facts about UFC on ESPN 31.
Rob Font vs. Jose Aldo
Font’s four-fight UFC winning streak at bantamweight is tied for the fourth longest active streak in the division behind Aljamain Sterling (six), Merab Dvalishvili (six) and T.J. Dillashaw (five).
Font’s nine victories in the UFC’s bantamweight division are sixth most in divisional history behind Dillashaw (13), Sterling (11), Urijah Faber (11), Raphael Assuncao (11) and Marlon Vera (10).
Font’s six stoppage victories in UFC bantamweight competition are tied for fourth-most in divisional history behind Vera (nine), Dillashaw (eight) and Faber (seven).
Font’s five knockout victories in UFC bantamweight competition are tied for second-most in divisional history behind Dillashaw (seven).
Aldo is the only two-time UFC featherweight titleholder in history and one of nine overall in company history to have two reigns in a single weight class.
Aldo is 2-2 since he dropped to the bantamweight division in December 2019.
Aldo has earned eight of his 12 UFC victories by decision. That includes both of his bantamweight wins.
Aldo’s 18 UFC/WEC featherweight victories are tied with Max Holloway for the most in combined divisional history.
Aldo’s 11 stoppage victories in UFC/WEC featherweight competition are the most in combined divisional history.
Aldo’s 11 knockout victories in UFC/WEC featherweight competition are most in combined divisional history.
Brad Riddell vs. Rafael Fiziev
[autotag]Brad Riddell[/autotag]’s (10-1 MMA, 4-0 UFC) four-fight UFC winning streak at lightweight is tied for the fourth-longest active streak in the division behind Charles Oliveira (nine), Islam Makhachev (nine) and Beneil Dariush (seven).
Riddell has earned all four of his UFC victories by decision.
[autotag]Rafael Fiziev[/autotag] (10-1 MMA, 4-1 UFC) four-fight UFC winning streak at lightweight is tied for the fourth-longest active streak in the division behind Oliveira (nine), Makhachev (nine) and Dariush (seven).
Fiziev has earned three of his four UFC victories by decision.
Clay Guida vs. Leonardo Santos
[autotag]Clay Guida[/autotag] (36-21 MMA, 16-15 UFC) competes in his 25th UFC lightweight bout, the fourth-most appearance in divisional history behind Jim Miller (36), Gleison Tibau (28) and Joe Lauzon (27).
Guida is one of nine fighters in UFC history with at least six hours of total fight time with the promotion.
Guida is 4-4 since he returned to the UFC lightweight division in June 2017.
Guida’s 70 takedowns landed in UFC competition are fifth-most in company history behind Georges St-Pierre (90), Tibau (84), Demetrious Johnson (74) and Frankie Edgar (73).
[autotag]Leonardo Santos[/autotag] (18-4-1 MMA, 7-1-1 UFC) defends 94.3 percent of all opponent takedown attempts in UFC lightweight competition, the best rate in divisional history.
Jimmy Crute vs. Jamahal Hill
[autotag]Jimmy Crute[/autotag] (12-2 MMA, 4-2 UFC) has earned nine of his 12 career victories by stoppage. That includes all four of his UFC wins.
Crute absorbs 1.79 significant strikes per minute in UFC light heavyweight competition, the best rate among active fighters in the weight class.
Crute is one of five fighters in UFC history to earn multiple submission victories by kimura. Krzysztof Soszynski, Rani Yahya, Frank Mir and George Sotiropoulos also accomplished the feat.
Crute’s victory at the 4:51 mark of Round 3 at UFC Fight Night 142 is the second latest finish in a three-round UFC light heavyweight fight behind Craig’s win at 4:59 of Round 3 at UFC Fight Night 127.
Brendan Allen vs. Chris Curtis
[autotag]Brendan Allen[/autotag]’s (17-4 MMA, 5-1 UFC) five-fight UFC winning streak at middleweight is tied for the second longest active streak in the division behind Israel Adesanya (10).
[autotag]Chris Curtis[/autotag] (27-8 MMA, 1-0 UFC) makes his second UFC appearance in a 28-day stretch. He knocked out Phil Hawes at UFC 268 on Nov. 6.
Bryan Barberena vs. Darian Weeks
[autotag]Bryan Barberena[/autotag] (15-8 MMA, 6-6 UFC) is 5-5 since he moved up to the UFC welterweight division in January 2016.
Barberena is one of 16 fighters in UFC history to earn an arm-triangle submission victory from half guard. He accomplished the feat at UFC on FOX 18.
Maki Pitolo vs. Dusko Todorovic
[autotag]Maki Pitolo[/autotag]’s (12-8 MMA, 1-4 UFC) three-fight losing skid is the longest of his career. He hasn’t earned a victory since June 2020.
[autotag]Dusko Todorovic[/autotag] (10-2 MMA, 1-2 UFC) has consecutive losses after starting his career 10-0.
Jake Matthews vs. Jeremiah Wells
[autotag]Jake Matthews[/autotag] (16-5 MMA, 10-5 UFC) is 6-2 since he moved up to the UFC welterweight division in November 2017.
Matthews defends 66.2 percent of all opponent significant strike attempts in UFC welterweight competition, the third-best rate among active fighters in the weight class behind Muslim Salikhov (68.3 percent) and Ramazan Emeev (67.3 percent).
Alonzo Menifield vs. William Knight
[autotag]Alonzo Menifield[/autotag] (11-2 MMA, 4-2 UFC) has earned 10 of his 11 career victories by stoppage.
Menifield is one of four fighters in UFC history to earn a submission victory by Von Flue choke. He accomplished the feat at UFC 260. Jason Von Flue, Ovince Saint Preux and Jordan Rinaldi have also won with the technique.
[autotag]William Knight[/autotag] (10-2 MMA, 2-1 UFC) has earned nine of his 10 career victories by stoppage. He’s finished all of those wins by knockout.
Claudio Puelles vs. Chris Gruetzemacher
[autotag]Chris Gruetzemacher[/autotag] (15-4 MMA, 3-3 UFC) lands 55.6 percent of his significant strike attempts in UFC lightweight competition, the third-best rate in divisional history behind Justin Gaethje (60.1 percent) and Islam Makhachev (58.9 percent).
Gruetzemacher lands 7.32 significant strikes per minute in UFC lightweight competition, the second-highest rate in divisional history behind Gaethje (7.5).
Alex Morono vs. Mickey Gall
[autotag]Mickey Gall[/autotag] (7-3 MMA, 6-3 UFC) has alternated wins and losses over his past seven fights. He was victorious in his most recent bout at UFC on ESPN 27 in July.
Gall has earned six of his seven career victories by stoppage. He’s finished all of those wins by submission.
Gall’s five submission victories in UFC welterweight competition are tied for fourth-most in divisional history behind Demian Maia (six), Gunnar Nelson (six) and Chris Lytle (six).
Gall’s five rear-naked choke submission wins in UFC competition are tied for third-most in company history behind Maia (nine) and Kenny Florian (seven).
Louis Smolka vs. Vince Morales
[autotag]Louis Smolka[/autotag] (17-7 MMA, 8-7 UFC) is 3-2 since he returned to the UFC for a second stint in November 2018. He’s 6-2 since his initial release from the organization.
Smolka is 3-2 since he moved up to the UFC bantamweight division in November 2018.
Smolka’s average fight time of 5:05 in UFC bantamweight competition is second-shortest in divisional history behind John Albert (4:24).
Smolka has earned 15 of his 17 career victories by stoppage. That includes six of his eight UFC wins.
Smolka is one of two fighters in UFC history to earn a knockout stemming from a side kick. He accomplished the feat at UFC Fight Night 55. Khalil Rountree also won with the technique.
Smolka lands 7.12 significant strikes per minute in UFC bantamweight competition, the second-highest rate in divisional history behind Sean O’Malley (8.37).
[autotag]Vince Morales[/autotag] (10-5 MMA, 2-3 UFC) has earned his past three victories by decision after starting his career with seven stoppages.