| 2015-01-03 | UFC 182: Jones vs. Cormier | MGM Grand Garden Arena · Las Vegas, Nevada | Jon Jones def. Daniel Cormier title | 11 |
| 2015-01-18 | UFC Fight Night: McGregor vs. Siver | TD Garden · Boston, Massachusetts | Conor McGregor def. Dennis Siver | 12 |
| 2015-01-24 | UFC on Fox: Gustafsson vs. Johnson | Tele2 Arena · Stockholm | Anthony Johnson def. Alexander Gustafsson | 12 |
| 2015-01-31 | UFC 183: Silva vs. Diaz | MGM Grand Garden Arena · Las Vegas, Nevada | Anderson Silva vs. Nick Diaz | 11 |
| 2015-02-14 | UFC Fight Night: Henderson vs. Thatch | 1stBank Center · Broomfield, Colorado | Benson Henderson def. Brandon Thatch | 10 |
| 2015-02-22 | UFC Fight Night: Bigfoot vs. Mir | Ginásio Gigantinho · Porto Alegre | Frank Mir def. Antônio Silva | 11 |
| 2015-02-28 | UFC 184: Rousey vs. Zingano | Staples Center · Los Angeles, California | Ronda Rousey def. Cat Zingano title | 11 |
| 2015-03-14 | UFC 185: Pettis vs. dos Anjos | American Airlines Center · Dallas, Texas | Rafael dos Anjos def. Anthony Pettis title | 12 |
| 2015-03-21 | UFC Fight Night: Maia vs. LaFlare | Ginásio do Maracanãzinho · Rio de Janeiro | Demian Maia def. Ryan LaFlare | 12 |
| 2015-04-04 | UFC Fight Night: Mendes vs. Lamas | Patriot Center · Fairfax, Virginia | Chad Mendes def. Ricardo Lamas | 10 |
| 2015-04-11 | UFC Fight Night: Gonzaga vs. Cro Cop 2 | Tauron Arena Kraków · Kraków | Mirko Cro Cop def. Gabriel Gonzaga | 12 |
| 2015-04-18 | UFC on Fox: Machida vs. Rockhold | Prudential Center · Newark, New Jersey | Luke Rockhold def. Lyoto Machida | 11 |
| 2015-04-25 | UFC 186: Johnson vs. Horiguchi | Bell Centre · Montreal, Quebec | Demetrious Johnson def. Kyoji Horiguchi title | 12 |
| 2015-05-10 | UFC Fight Night: Miocic vs. Hunt | Adelaide Entertainment Centre · Adelaide | Stipe Miocic def. Mark Hunt | 12 |
| 2015-05-16 | UFC Fight Night: Edgar vs. Faber | Mall of Asia Arena · Pasay | Frankie Edgar def. Urijah Faber | 12 |
| 2015-05-23 | UFC 187: Johnson vs. Cormier | MGM Grand Garden Arena · Las Vegas, Nevada | Daniel Cormier def. Anthony Johnson title | 11 |
| 2015-05-30 | UFC Fight Night: Condit vs. Alves | Goiânia Arena · Goiânia | Carlos Condit def. Thiago Alves | 12 |
| 2015-06-06 | UFC Fight Night: Boetsch vs. Henderson | Smoothie King Center · New Orleans, Louisiana | Dan Henderson def. Tim Boetsch | 12 |
| 2015-06-13 | UFC 188: Velasquez vs. Werdum | Arena Ciudad de México · Mexico City | Fabrício Werdum def. Cain Velasquez title | 11 |
| 2015-06-20 | UFC Fight Night: Jędrzejczyk vs. Penne | Uber Arena · Berlin | Joanna Jędrzejczyk def. Jessica Penne title | 11 |
| 2015-06-27 | UFC Fight Night: Machida vs. Romero | Seminole Hard Rock Hotel and Casino · Hollywood, Florida | Yoel Romero def. Lyoto Machida | 9 |
| 2015-07-11 | UFC 189: Mendes vs. McGregor | MGM Grand Garden Arena · Las Vegas, Nevada | Conor McGregor def. Chad Mendes title | 11 |
| 2015-07-12 | The Ultimate Fighter: American Top Team vs. Blackzilians Finale | MGM Grand Garden Arena · Las Vegas, Nevada | Stephen Thompson def. Jake Ellenberger | 11 |
| 2015-07-15 | UFC Fight Night: Mir vs. Duffee | Pechanga Arena · San Diego, California | Frank Mir def. Todd Duffee | 12 |
| 2015-07-18 | UFC Fight Night: Bisping vs. Leites | The SSE Hydro · Glasgow, Scotland | Michael Bisping def. Thales Leites | 12 |
| 2015-07-25 | UFC on Fox: Dillashaw vs. Barão 2 | United Center · Chicago, Illinois | T.J. Dillashaw def. Renan Barão title | 12 |
| 2015-08-01 | UFC 190: Rousey vs. Correia | HSBC Arena · Rio de Janeiro | Ronda Rousey def. Bethe Correia title | 13 |
| 2015-08-08 | UFC Fight Night: Teixeira vs. Saint Preux | Bridgestone Arena · Nashville, Tennessee | Glover Teixeira def. Ovince Saint Preux | 13 |
| 2015-08-23 | UFC Fight Night: Holloway vs. Oliveira | SaskTel Centre · Saskatoon, Saskatchewan | Max Holloway def. Charles Oliveira | 12 |
| 2015-09-05 | UFC 191: Johnson vs. Dodson 2 | MGM Grand Garden Arena · Las Vegas, Nevada | Demetrious Johnson def. John Dodson title | 11 |
| 2015-09-27 | UFC Fight Night: Barnett vs. Nelson | Saitama Super Arena · Saitama | Josh Barnett def. Roy Nelson | 10 |
| 2015-10-03 | UFC 192: Cormier vs. Gustafsson | Toyota Center · Houston, Texas | Daniel Cormier def. Alexander Gustafsson title | 12 |
| 2015-10-24 | UFC Fight Night: Holohan vs. Smolka | 3Arena · Dublin | Louis Smolka def. Paddy Holohan | 10 |
| 2015-11-07 | UFC Fight Night: Belfort vs. Henderson 3 | Ginásio do Ibirapuera · São Paulo | Vitor Belfort def. Dan Henderson | 13 |
| 2015-11-15 | UFC 193: Rousey vs. Holm | Marvel Stadium · Melbourne | Holly Holm def. Ronda Rousey title | 13 |
| 2015-11-21 | The Ultimate Fighter Latin America 2 Finale: Magny vs. Gastelum | Arena Monterrey · Monterrey | Neil Magny def. Kelvin Gastelum | 13 |
| 2015-11-28 | UFC Fight Night: Henderson vs. Masvidal | Olympic Gymnastics Arena · Seoul | Benson Henderson def. Jorge Masvidal | 11 |
| 2015-12-10 | UFC Fight Night: Namajunas vs. VanZant | The Chelsea at The Cosmopolitan · Las Vegas, Nevada | Rose Namajunas def. Paige VanZant | 12 |
| 2015-12-11 | The Ultimate Fighter: Team McGregor vs. Team Faber Finale | The Chelsea at The Cosmopolitan · Las Vegas, Nevada | Frankie Edgar def. Chad Mendes | 10 |
| 2015-12-12 | UFC 194: Aldo vs. McGregor | MGM Grand Garden Arena · Las Vegas, Nevada | Conor McGregor def. José Aldo title | 12 |
| 2015-12-19 | UFC on Fox: dos Anjos vs. Cowboy 2 | Amway Center · Orlando, Florida | Rafael dos Anjos def. Donald Cerrone title | 13 |