UFC Fight Night: McGregor vs. Siver Full Fight Card, Date & Details
UFC Fight Night: McGregor vs. Siver
United States
Main Card • Final
Ireland
R2, 1:54
Performance of the Night
Germany
R3, 5:00
Jamaica
R1, 3:37
Brazil
R3, 5:00
Northern Ireland
Prelims • Final
R3, 5:00
R1, 2:17
Performance of the Night
R3, 5:00
China
R3, 5:00
R3, 1:54
R3, 4:43
Early Prelims • Final
R3, 2:11
Fight of the Night
R3, 5:00
Japan
Official Event Results
Official Post-Fight Bonus Awards
$50,000 Post-Fight Bonus Recipients
Fight of the Night: Sean O’Connell and Matt Van Buren each earned $50,000 for their back-and-forth light heavyweight slugfest to open the preliminary card.
Performance of the Night: Conor McGregor collected $50,000 for his dominant second-round TKO victory over Dennis Siver, earning his third consecutive performance bonus.
Performance of the Night: Lorenz Larkin received $50,000 for his explosive welterweight debut, finishing John Howard via first-round TKO.
Reported Payouts & Disclosed Purses
Fighter Purses & Total Payout Estimates
| Fighter | Result | Base Purse | Win / Finish Bonus | Performance Bonus | Estimated Total |
|---|---|---|---|---|---|
| WIN | $85,000 | $85,000 | $50,000 | $220,000 | |
| LOSS | $39,000 | — | — | $39,000 | |
| WIN | $73,000 | $73,000 | — | $146,000 | |
| LOSS | $48,000 | — | — | $48,000 | |
| WIN | $14,000 | $14,000 | — | $28,000 | |
| LOSS | $10,000 | — | — | $10,000 | |
| WIN | $45,000 | $45,000 | — | $90,000 | |
| LOSS | $20,000 | — | — | $20,000 | |
| WIN | $8,000 | $8,000 | — | $16,000 | |
| LOSS | $14,000 | $14,000 | — | $28,000 | |
| WIN | $28,000 | $28,000 | $50,000 | $106,000 | |
| LOSS | $21,000 | — | — | $21,000 | |
| WIN | $10,000 | $10,000 | — | $20,000 | |
| LOSS | $15,000 | — | — | $15,000 | |
| WIN | $10,000 | $10,000 | — | $20,000 | |
| LOSS | $8,000 | — | — | $8,000 | |
| WIN | $10,000 | $10,000 | — | $20,000 | |
| LOSS | $8,000 | — | — | $8,000 | |
| WIN | $10,000 | $10,000 | — | $20,000 | |
| LOSS | $8,000 | — | — | $8,000 | |
| WIN | $10,000 | $10,000 | $50,000 | $70,000 | |
| LOSS | $8,000 | — | $50,000 | $58,000 | |
| WIN | $8,000 | $8,000 | — | $16,000 | |
| LOSS | $8,000 | — | — | $8,000 |
*Disclosed purses reported by the Massachusetts State Athletic Commission. Does not include sponsor money, discretionary locker-room bonuses, or promotional cut percentages. Although not originally reflected in commission paperwork, Sean Spencer was officially awarded his contractual $14,000 win bonus by the UFC following the controversial decision loss to Cathal Pendred. Total figures include official $50,000 post-fight performance and Fight of the Night bonus awards.
Historic UFC Records Set
Promotional Records Established at UFC Fight Night: McGregor vs. Siver
The telecast averaged 2.75 million viewers and peaked at 3.162 million during the main event, establishing an all-time record as the most-watched MMA broadcast in FOX Sports 1 history.
Conor McGregor earned his third consecutive $50,000 Performance of the Night bonus, having previously stopped Diego Brandão and Dustin Poirier within the same streak.
Donald Cerrone stepped in on short notice to compete just 15 days after defeating Myles Jury at UFC 182, marking one of the fastest successful multi-fight turnarounds in modern UFC history.
Gleison Tibau secured his 16th promotional victory inside the Octagon, tying UFC Hall of Famer Matt Hughes for the second-most wins in UFC history at that time behind Georges St-Pierre.
After dropping two WEC lightweight championship clashes to Benson Henderson in 2009 and 2010, Donald Cerrone earned his first victory in the trilogy via unanimous decision.
Former Strikeforce standout Lorenz Larkin made a thunderous 170-pound debut, stopping Boston veteran John Howard in 2:17 to secure his first career UFC performance bonus award.
With his second-round stoppage of Dennis Siver, McGregor officially finalized his championship bout against José Aldo, punctuated by his iconic leap over the Octagon fence.
Sean O’Connell and Matt Van Buren traded 166 combined significant strikes across less than three full rounds, claiming Fight of the Night honors in a historic light heavyweight slugfest.
Charles Rosa locked up a dramatic D’Arce choke against Sean Soriano with just 17 seconds remaining in the third round, marking one of the latest submission finishes in UFC featherweight history.
The card drew 13,828 fans to the TD Garden, producing a $1.34 million gate driven by an electric New England and Irish diaspora fan presence.
After an unprecedented media sweep where all 15 major MMA media outlets scored the bout for Sean Spencer against Cathal Pendred, the UFC took the rare step of paying Spencer his full $14,000 win bonus.
Representing Dublin’s Straight Blast Gym, Irish fighters Conor McGregor, Cathal Pendred, and Patrick Holohan swept the night 3-0 on the event’s marquee lineup.
When and where did UFC Fight Night: McGregor vs. Siver take place?
UFC Fight Night: McGregor vs. Siver took place on Sunday, January 18, 2015, at the TD Garden in Boston, Massachusetts.
Who won the main event between Conor McGregor and Dennis Siver?
Conor McGregor defeated Dennis Siver via TKO (punches) at 1:54 of Round 2 after dropping Siver with a straight left hand and securing full mount to unleash ground strikes.
What happened between Conor McGregor and José Aldo after the fight?
Immediately after the referee waved off the bout, McGregor climbed over the Octagon fence and charged toward UFC featherweight champion José Aldo, who was seated cage-side, screaming in his face to promote their upcoming world championship fight.
Who won the co-main event between Donald Cerrone and Benson Henderson?
Donald Cerrone defeated former champion Benson Henderson via unanimous decision (29–28, 29–28, 29–28) in a closely contested three-round battle.
How short was Donald Cerrone’s turnaround for this event?
Donald Cerrone accepted the bout against Benson Henderson just 15 days after defeating Myles Jury at UFC 182 on January 3, 2015, replacing an injured Eddie Alvarez on short notice.
Who won the $50,000 post-fight bonus awards?
The $50,000 bonuses were awarded to Sean O’Connell vs. Matt Van Buren (Fight of the Night), Conor McGregor (Performance of the Night), and Lorenz Larkin (Performance of the Night).
What television ratings record was set by this event?
The telecast on Fox Sports 1 became the most-watched MMA broadcast in FS1 history, averaging 2.75 million viewers and peaking at 3.162 million viewers during the McGregor vs. Siver main event.
What was the live gate and attendance for the event?
UFC Fight Night: McGregor vs. Siver drew an official attendance of 13,828 fans for a live gate of $1,340,000 at the TD Garden in Boston.
Why was Cathal Pendred vs. Sean Spencer considered controversial?
Cathal Pendred was awarded a unanimous decision (29–28, 30–27, 30–27) despite Spencer out-landing him cleanly and dropping him in round 1. All 15 major MMA media outlets scored the fight for Spencer, leading UFC President Dana White to publicly disagree with the judges and pay Spencer his $14,000 win bonus.
What milestone did Gleison Tibau achieve by defeating Norman Parke?
By defeating Norman Parke via split decision, Gleison Tibau recorded his 16th UFC victory, tying Hall of Famer Matt Hughes for second on the promotion’s all-time wins list behind only Georges St-Pierre.
How did Lorenz Larkin perform in his drop to welterweight?
Dropping to 170 pounds after a middleweight slump, Lorenz Larkin delivered an explosive first-round TKO victory over hometown fighter John Howard at 2:17 of Round 1, earning Performance of the Night honors.
How did Uriah Hall finish Ron Stallings?
Uriah Hall dropped Ron Stallings with a punch in the opening round and opened a severe laceration over Stallings’ eye, leading the cage-side physician to stop the contest at 3:37 of Round 1 via TKO (doctor stoppage).
How did Charles Rosa win his featherweight bout?
Peabody, Massachusetts native Charles Rosa submitted Sean Soriano with a D’Arce choke at 4:43 of Round 3, securing his first UFC victory with just 17 seconds left on the clock.
Who was on the broadcast and commentary team for this event?
The event was called live by cage-side commentators Mike Goldberg and Joe Rogan, with Bruce Buffer announcing the fighters inside the Octagon.
How many fights were on the UFC Fight Night: McGregor vs. Siver card?
The card featured 12 total mixed martial arts bouts: 4 on the main card (Fox Sports 1), 6 preliminary card bouts (Fox Sports 1), and 2 early preliminary bouts (UFC Fight Pass).
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