The UFC makes its debut in Argentina on Saturday with UFC Fight Night 140. The event takes place at Parque Roca Arena in Buenos Aires and airs on FS1 following early prelims on UFC Fight Pass.

A welterweight contender matchup takes center in stage in the main event. Neil Magny (21-6 MMA, 14-5 UFC) continues to be one of the most active fighters on the UFC roster, and he meets streaking Argentinian Santiago Ponzinibbio (26-3 MMA, 8-2 UFC) in a crucial matchup for the weight class.

For more on the numbers behind the UFC’s trip into a new South American territory, check below for 45 pre-event facts about UFC Fight Night 140.

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Main event

Magny becomes the eighth fighter to make 20 or more UFC welterweight appearances.

Magny’s 14 victories in UFC welterweight competition are tied for third most in divisional history behind Georges St-Pierre (19) and Matt Hughes (16).

Magny’s 14 victories since 2014 in UFC competition are second most among active fighters in the company behind Donald Cerrone (15).

Magny is the only fighter in modern UFC history to make five or more octagon appearances in consecutive years. He went 4-1 in 2015 after going 5-0 in 2014.

Magny’s five UFC victories in 2014 tied Roger Huerta’s record for most octagon wins in a calendar year. Huerta accomplished the feat in 2007.

Magny has landed 1,486 total strikes in UFC welterweight competition, the most among active fighters in the weight class.

Magny’s 100 significant ground strikes landed against Hector Lombard at UFC Fight Night 85 stand as the single-fight UFC record.

Magny’s 142 total strikes landed in the second round of his victory against Lombard stand as the third most in a single UFC round.

Ponzinibbio’s six-fight UFC winning streak in welterweight competition is tied for the second longest active streak in the division behind Kamaru Usman (eight).

Ponzinibbio has earned 20 of his 26 career victories by stoppage. He’s finished 16 of those wins in Round 1.

Ponzinibbio’s four first-round knockout victories in UFC welterweight competition are tied for second most in divisional history behind Anthony Johnson (five).

Ponzinibbio has landed 90 percent of his strikes in UFC competition from a distance, the largest proportion in welterweight history.

Co-main event

Ricardo Lamas (18-7 MMA, 9-5 UFC) is 9-5 since he dropped to the featherweight division for his UFC debut in June 2011.

Lamas’ six stoppage victories in UFC featherweight competition are tied for second most in divisional history behind Max Holloway (nine).

Lamas’ three submission victories in UFC featherweight competition are tied for third most in divisional history behind Charles Oliveira (six) and Chas Skelly (four).

Darren Elkins (24-6 MMA, 14-5 UFC) competes in his 18th UFC featherweight bout, the most appearances in divisional history.

Elkins’ total fight time of 3:39:55 in UFC featherweight competition is most in divisional history.

Elkins’ 13 UFC featherweight victories are second most in divisional history behind Holloway (14).

Elkins has landed 1,658 total strikes in UFC featherweight competition, the most in divisional history.

Elkins’ 37 takedowns landed in UFC featherweight competition are second most in divisional history behind Dennis Bermudez (46).

Elkins’ 21 submission attempts in UFC featherweight competition are the most in divisional history.

Elkins was victorious against Mirsad Bektic at UFC 209 despite a -74 total strike differential (146 to 72), the sixth-largest deficit for a winner by stoppage in UFC history.

Remaining main card

Khalil Rountree’s (7-2 MMA, 3-2 UFC) four-fight unbeaten streak in UFC light-heavyweight competition is tied for the second longest active streak in the division behind Jon Jones (14).

Rountree has earned all of his career stoppage victories by knockout.

Cezar Ferreira (13-6 MMA, 9-4 UFC) is 5-1 since he returned to the UFC middleweight division in April 2016.

Ferreira completes 66.7 percent of his takedown attempts in UFC middleweight competition, the highest rate in divisional history.

Guido Cannetti (8-3 MMA, 2-2 UFC), 38, is the oldest of the 24 fighters scheduled to compete at event.

Cynthia Calvillo’s (6-1 MMA, 3-1 UFC) two submission victories in UFC strawweight competition are tied for second most in divisional history behind Rose Namajunas (three).

Calvillo has completed at least one takedown in all four of her UFC appearances.

Poliana Botelho (7-1 MMA, 2-0 UFC) has earned six of her seven career victories by stoppage.

Botelho’s 33-second victory at UFC Fight Night 139 is the fastest finish in UFC strawweight history.

Botelho’s 33-second victory stemming from a body strike is second fastest in UFC history behind Chad Mendes’ 31-second knockout at UFC 148.

Preliminary card

Michel Prazeres (25-2 MMA, 9-2 UFC) was successful in his return to the UFC welterweight division at UFC Fight Night 129 in May.

Prazeres has earned seven of his nine UFC victories by decision.

Prazeres is the only fighter in UFC history to earn two north-south choke submissions. He has two of the five such finishes overall in UFC history.

Prazeres has landed 41 takedowns in his 11 UFC appearances. He’s scored at least one takedown against all of his UFC opponents.

Bartosz Fabinski (14-2 MMA, 3-0 UFC) was successful in his return to competition after a nearly three-year layoff at UFC Fight Night 134 in July.

Fabinski has landed 22 takedowns in his three UFC appearances.

Ulka Sasaki (21-5-2 MMA, 4-4 UFC) is 3-2 since he dropped to the UFC flyweight division in May 2016.

Sasaki has earned all four of his UFC victories by submission.

Sasaki’s three submission victories in UFC flyweight competition are tied for second most in divisional history behind Demetrious Johnson (five).

Humberto Bandenay (14-5 MMA, 1-1 UFC), 24, is the youngest of the 24 fighters schedule to compete at the event.

Bandenay’s two UFC appearances have lasted a combined 65 seconds.

Austin Arnett’s (15-5 MMA, 0-2 UFC) three-fight losing skid is the longest of his career. He hasn’t earned a victory since June 2017.

For more on UFC Fight Night 140, 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.