|UFC 124: St-Pierre vs. Koscheck 2|
|Promotion||Ultimate Fighting Championship|
|Date||December 11, 2010|
|City||Montreal, Quebec, Canada|
UFC 124: St-Pierre vs. Koscheck 2 was a mixed martial arts pay-per-view event held by the Ultimate Fighting Championship on December 11, 2010 at Bell Centre in Montreal, Quebec. The event was the fourth that the UFC has hosted at the Bell Centre following UFC 83, UFC 97 and UFC 113 and the fifth event held in Canada along with UFC 115 which was held in Vancouver, British Columbia.
UFC 124 featured live preliminary bouts streamed on UFC.com rather than Spike TV due to the 2010 Spike Video Game Awards being aired in the same time slot.
UFC 124 marked the first – and only – time that the UFC let the fans vote online for the Fight of the Night.
Preliminary card 
- Makdessi defeated Audinwood via unanimous decision (30–27, 30–27, 30–26).
- Almeida defeated Grant via unanimous decision (30–27, 30–27, 30–27).
- Pierson defeated Riddle via unanimous decision (30–27, 30–27, 30–27). This bout aired on the PPV broadcast following the Miller vs. Oliveira fight.
- Bongfeldt and Natal fought to a majority draw (28–28, 28–28, 28–29).
Preliminary card (UFC.com live stream) 
- Bocek defeated Hazelett via submission (triangle choke) at 2:33 of round 1. This bout aired on the PPV broadcast following the Struve vs. McCorkle fight.
- Miller defeated Doerksen via split decision (29–28, 28–29, 29–28).
Main card 
- Alves defeated Howard via unanimous decision (30–27, 30–27, 30–27).
- Danzig defeated Stevenson via KO (punch) at 1:54 of round 1.
- Miller defeated Oliveira via submission (kneebar) at 1:59 of round 1.
- Struve defeated McCorkle via TKO (punches) at 3:55 of round 1.
- St-Pierre defeated Koscheck via unanimous decision (50–45, 50–45, 50–45) to retain the UFC Welterweight Championship.
Bonus Awards 
Fighters were awarded $100,000 bonuses.
- Fight of the Night: Georges St-Pierre vs. Josh Koscheck
- Knockout of the Night: Mac Danzig
- Submission of the Night: Mark Bocek and Jim Miller (split, $50,000 each)
Entrance music 
|Charles Oliveira||Rage Against the Machine||"Testify"||The Battle of Los Angeles|
|Dan Miller||Creedence Clearwater Revival||"Run Through the Jungle"||Cosmo's Factory|
|Dustin Hazelett||Mark Collie||"In Time"||The Punisher: The Album|
|Georges St-Pierre||La Fouine (feat. Sefyu & Soprano)||"Ça Fait Mal" [Remix]||Mes Repères|
|Jesse Bongfeldt||Jimi Hendrix||"Voodoo Child (Slight Return)"||Electric Ladyland|
|Jim Miller||Creedence Clearwater Revival||"Bad Moon Rising"||Green River|
|Joe Doerksen||Kid Rock||"Lowlife (Living the Highlife)"||Rock N Roll Jesus|
|Joe Stevenson||Madcon||"Beggin'"||So Dark the Con of Man|
|John Howard||DMX & Sean Paul & Mr. Vegas||"Top Shotter"||Belly Soundtrack|
|John Makdessi||Tiësto||"Adagio For Strings"||Just Be|
|Josh Koscheck||Red Hot Chili Peppers||"Higher Ground"||Mother's Milk|
|Mac Danzig||Misfits||"Astro Zombies"||Walk Among Us|
|Mark Bocek||Eminem||"Not Afraid"||Recovery|
|Pat Audinwood||Rush||"Tom Sawyer"||Moving Pictures|
|Rafael Natal||Marcelo D2||"Qual E"||The Best of Mr. Bongo|
|Ricardo Almeida||Social Distortion||"Ball and Chain"||Social Distortion|
|Sean McCorkle||DJ Khaled (feat. T-Pain, Ludacris, Snoop Dogg & Rick Ross)||"All I Do Is Win"||Victory|
|Sean Pierson||Kanye West (feat. Dwele)||"Power"||My Beautiful Dark Twisted Fantasy|
|Stefan Struve||Godsmack||"Cryin' Like a Bitch"||The Oracle|
|Thiago Alves||T.I.||"Big Things Poppin' (Do It)"||T.I. vs. T.I.P. [Clean]|
|TJ Grant||Coheed and Cambria||"Welcome Home"||Good Apollo, I'm Burning Star IV, Volume One: From Fear Through The Eyes Of Madness|
- "UFC 124 draws reported record attendance of 23,152 for $4.6 million gate". mmajunkie.com. December 12, 2010.
- "UFC 124: St-Pierre vs. Koscheck 2". ufc.com. October 6, 2010.
- "Jason MacDonald out, Rafael Natal faces newcomer Jesse Bongfeldt at UFC 124". mmajunkie.com. October 20, 2010.
- "Injured Anthony "T.J." Waldburger out of UFC 124 fight with Matt Riddle". mmajunkie.com. October 26, 2010.
- "Sean Pierson replaces injured T.J. Waldburger, meets Matt Riddle at UFC 124". mmajunkie.com. October 29, 2010.
- "Free UFC 124 Prelims and More". ufc.com. December 8, 2010.
- "UFC 124 bonuses: Danzig, Miller, Bocek, GSP and Koscheck earn $100K awards". MMAjunkie.com. December 12, 2010.