The UFC’s second pay-per-view event in a 14-day period takes place Saturday when UFC 185 takes place at American Airlines Center in Dallas.

In the main event, lightweight titleholder Anthony Pettis (18-2 MMA, 5-1 UFC) goes for his second title defense when he takes on surging contender Rafael dos Anjos (23-7 MMA, 12-5 UFC).

The co-headliner features just the second women’s strawweight title fight in UFC history when champion Carla Esparza (10-2 MMA, 1-0 UFC) looks to put the first blemish on the undefeated record of No. 1 contender Joanna Jedrzejczyk (8-0 MMA, 2-0 UFC).

While two title fights would ordinarily be enough to carry a card, the organization has stacked the deck with several other bouts of significance. For more on the numbers behind all those matchups, check out 65 pre-fight facts about UFC 185.

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Main event

Pettis’ five-fight UFC winning streak is tied for the third longest active streak in the lightweight division behind Donald Cerrone (seven) and Khabib Nurmagomedov (six).

Pettis’ four-fight UFC finishing streak is the second longest among active fighters behind women’s bantamweight champion Ronda Rousey (five).

Pettis has earned three knockouts in UFC/WEC competition stemming from a roundhouse kick to the head or body, tied for the most such finishes in UFC/WEC competition. Adding Strikeforce and PRIDE competition, the only fighter with more one-kick victories is Mirko Filipovic (seven).

Pettis is one of two fighters in UFC history to earn two consecutive knockouts stemming from a kick to the head or body. Vitor Belfort is the other.

Pettis is the only fighter in UFC history to win two consecutive UFC lightweight championship bouts by submission.

Pettis has never been finished in his career.

Dos Anjos is 8-1 in his past nine UFC appearances with the lone defeat in that stretch coming to Nurmagomedov, who’s No. 2 in the USA TODAY Sports/MMAjunkie MMA lightweight rankings.

Dos Anjos will compete in his 18th UFC lightweight bout, the fourth most appearances in divisional history behind Gleison Tibau (25), Melvin Guillard (20) and Yves Edwards (20).

Dos Anjos’ 12 victories in UFC lightweight competition are the fourth most in divisional history behind Tibau (16), Cerrone (14) and Jim Miller (13).

Dos Anjos has attempted 12 submissions during his UFC career. Of those, nine were either armbar or shoulder locks. Those nine armbar and shoulder-lock attempts are the fourth most in UFC history.

Dos Anjos has earned five of his past eight UFC victories by decision. He has earned seven of his 12 wins with the promotion overall by taking his opponent the distance.

Co-main event

Esparza became the inaugural UFC women’s strawweight champion when she defeated Rose Namajunas at The Ultimate Fighter 20 Finale.

Esparza enters the contest on a career-high five-fight winning streak.

Jedrzejczyk will be the fifth European-born fighter in UFC history to compete in a championship bout. Bas Rutten, Andrei Arlovski, Dan Hardy and Alexander Gustafsson previously accomplished the feat. Rutten and Arlovski were victorious.

Jedrzejczyk will become the first UFC fighter to make three women’s strawweight appearances.

Jedrzejczyk has earned five of her eight career victories by decision. That includes both of her UFC wins.

Jedrzejczyk is one of three fighters to score a knockdown in women’s strawweight competition.

Remaining main card

Johny Hendricks’ (16-3 MMA, 11-3 UFC) past four fights have ended in a decision. That’s the longest run of his pro career without a finish.

Hendricks has never been knocked down in his career.

Hendricks is one of four fighters in UFC history to record three or more knockout victories in less than one minute each. Belfort, Anthony Johnson and Mike Swick are the others to accomplish the feat.

Hendricks’ 12-second knockout of Jon Fitch at UFC 141 is the second fastest in UFC welterweight history. Duane Ludwig, who stopped Jonathan Goutlet in six seconds at UFC Fight Night 3, holds the record.

Hendricks has completed 45 takedowns in UFC welterweight competition, the most among active fighters in the weight class and fourth most in divisional history.

Hendricks’ 12 takedowns landed against Carlos Condit at UFC 158 are tied for the fourth most landed in a single UFC fight.

Hendricks has been awarded six fight-night bonuses in his UFC career, tied for the second most of any welterweight in company history behind Chris Lytle (10).

Hendricks and Robbie Lawler combined for 308 significant strikes landed over the course of their five-round bout at UFC 171. That tally set a new record for a UFC championship fight, obliterating the previous total of 256, which was set by Condit and Nick Diaz at UFC 143.

Hendricks and Lawler attempted 728 significant strikes in their first meeting, the second most ever in single UFC bout behind Cole Miller and Nam Phan, who attempted 788 significant strikes at UFC on FOX 4.

Hendricks’ 158 significant strikes landed against Lawler stand as the most for a UFC title bout. Lawler, who landed 150 significant strikes, tied the fourth-highest tally for a championship fight.

Matt Brown (19-12 MMA, 12-7 UFC) has earned 17 of his 19 career victories by stoppage, including 10 of his 12 victories under the UFC banner.

Brown’s 12 UFC welterweight victories are the tied for the fifth most in divisional history behind Georges St-Pierre (19), Matt Hughes (16), Josh Koscheck (14) and Fitch (13).

Brown’s 10 stoppage victories in UFC welterweight competition are the second most in divisional history behind Hughes (11).

Brown’s nine knockout victories in UFC welterweight competition are the most in divisional history.

Brown’s seven knockdowns landed in UFC welterweight competition are the fourth most in divisional history behind Thiago Alves (11), St-Pierre (eight), Johnson (eight) and Jake Ellenberger (eight).

Brown’s 54.2 percent significant strike accuracy is the second highest rate in UFC welterweight history behind Kenny Robertson (55.5 percent).

Brown has attempted 22 submissions during his UFC welterweight career, the third most in divisional history behind Lytle (31) and St-Pierre (23).

Brown is one of only seven fighters in UFC history to have suffered four or more submission losses inside the octagon.

Brown has been awarded at least one fight-night bonus in his past four UFC appearances for a total of $250,000.

Roy Nelson (20-10 MMA, 7-6 UFC), 38, is the oldest of the 24 competitors scheduled for the card. He’s also the second oldest active fighter in the UFC heavyweight division behind Mark Hunt (40).

Nelson is the only fighter in UFC history to record his or her first seven victories with the organization by knockout.

Nelson’s seven knockout victories in UFC heavyweight competition are tied for the fifth most in divisional history behind champion Cain Velasquez (nine), Andrei Arlovski (eight), Junior Dos Santos (eight) and Matt Mitrione (eight).

Nelson has earned six of those seven knockout victories in the first round. His six first-round knockouts under the UFC banner are tied for the fourth most in history behind Belfort (10), Anthony Johnson (seven) and Anderson Silva (seven).

Nelson has suffered five decision losses in UFC heavyweight competition, the most of any fighter in the history of the weight class. Overall, he’ suffered eight of his 10 career losses on points.

Nelson has absorbed 555 significant strikes throughout his UFC career, the most of any heavyweight in company history. Of those 555 strikes, 395 were landed to the head.

Nelson has been awarded six fight-night bonuses in his UFC career, the most of any heavyweight in UFC history.

Alistair Overeem (38-14, 3-3 UFC) has suffered nine career losses by knockout, the most of any active UFC fighter.

Overeem has finished his opponent in all but three of his 37 victories. Of his 15 career knockout wins, 11 have stemmed from either a kick or knee strike.

Overeem averages 5.45 strikes landed per minute of fighting, the second highest rate in UFC heavyweight history behind Velasquez (6.21).

Overeem’s strike differential rate of +3.81 in UFC heavyweight competition is the second highest in divisional history behind Velasquez (+4.52).

Overeem absorbs just 1.64 significant strikes per minute of fighting, the lowest rate among active UFC heavyweights.

Overeem enjoys a career takedown defense proficiency of 76 percent (UFC average is 60.5 percent). Since his departure from PRIDE in 2007, he’s successfully defended 21 of his opponents’ 24 takedown attempts.

Overeem has been on the losing end of the third and fourth largest statistical comeback finishes in UFC heavyweight history. He out-landed Antonio Silva by 30 significant strikes before being knocked out at UFC 156 and out-landed Travis Browne by 27 significant strikes before his demise at UFC Fight Night 26.

Chris Cariaso (17-6 MMA, 7-4 UFC) is 4-3 since he dropped to the UFC flyweight division in July 2012.

Cariaso’s strike differential rate of +1.57 in UFC flyweight competition is the second highest in divisional history behind champion Demetrious Johnson (+2.21).

Cariaso absorbs just 2.19 strikes per minute of fighting, the second least of any fighter in UFC flyweight history behind Johnson (2.15).

Henry Cejudo (7-0 MMA, 1-0 UFC) is one of three Olympic gold medalists fight in the UFC, along with Kevin Jackson and Mark Schultz. He accomplished the feat in freestyle wrestling at the 2008 Summer Olympics.

Cejudo is the only Olympic gold medalist to fight in the UFC since the organization was purchased by parent company Zuffa.

Cejudo will attempt to make his UFC flyweight debut for the second time. He failed to compete in the weight class at UFC 177 in August 2014.

Preliminary card

Ross Pearson (16-8 MMA, 8-5 UFC) is 3-2 with one no-contest since he returned to the UFC lightweight division in December 2012.

Pearson’s four knockout victories in UFC lightweight competition are tied for the fifth most in divisional history behind Guillard (seven), B.J. Penn (six), Edson Barboza (five) and Edwards (five).

Pearson has out-landed his opponent in total strikes in all eight of his UFC victories.

Pearson’s 71.6 percent significant strike defense in UFC lightweight competition is the second highest rate among active fighters behind Myles Jury (71.7 percent).

Sam Stout (20-10-1 MMA, 9-9 UFC) returns to competition for the first time since April 16, 2014. His 332-day layoff is the longest of a pro career that dates back to his June 2003 debut.

Stout enters the event on the heels of his first knockout loss. K.J. Noons stopped him with strikes in 30 seconds at the TUF Nations Finale.

Stout has alternated wins and losses over his past eight UFC appearances.

Stout holds the UFC lightweight record for significant strikes landed with 965.

Stout has fought to a decision 14 times in his UFC career, the third most in history behind Tibau (16) and Diego Sanchez (15).

Daron Cruickshank (16-5 MMA, 6-3 UFC) is one of three fighters in UFC history to earn three knockout victories stemming from a head kick. He scored them against Erik Koch at UFC Fight Night 40, Mike Rio at UFC on FOX 10, and Henry Martinez at UFC on FOX 5.

Jared Rosholt (11-2 MMA, 3-1 UFC) has earned all three of his UFC victories by decision.

Rosholt is a member of one of 16 pairs of siblings to have competed under the UFC banner. His brother, Jake, is a three-fight veteran of the organization.

Sergio Pettis (12-1 MMA, 3-1 UFC), 21, is the youngest active fighter in the UFC flyweight division.

Pettis will compete on the same event at his older brother Anthony for the second consecutive time. Both were victorious at UFC 181.

Pettis will drop to the UFC flyweight division after spending his first four bouts with the organization at bantamweight.

Pettis has earned all three of his UFC victories by decision.

Ryan Benoit (7-3 MMA, 0-1 UFC) returns to competition for the first time since Nov. 30, 2013. His 469-day layoff is the longest of a pro career that dates back to his May 2009 debut.

Joseph Duffy (12-1 MMA, 0-0 UFC), who debuts at the event, is the last man to defeat No. 1 UFC featherweight contender Conor McGregor. He submitted McGregor in 38 seconds in November 2010.

Larissa Pacheco (10-1 MMA, 0-1 UFC), 20, is the youngest of the 24 competitors scheduled for the card. She’s also the youngest fighter in the UFC women’s bantamweight division.

For more on UFC 185, check out the UFC Rumors section of the site.

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