Canelo Alvarez says a showdown between Floyd Mayweather and MMA star Conor McGregor would be bad for boxing.
UFC president Dana White has confirmed former welterweight champion Georges St-Pierre has signed a new deal to return to the promotion.
Cris 'Cyborg' Justino has been cleared to resume her UFC career after she was cleared of a potential anti-doping violation.
Floyd Mayweather has urged UFC star Conor McGregor to get the ball rolling on negotiations over a potential fight.
Germaine de Randamie claimed the first women's featherweight title with a controversial win over Holly Holm at UFC 208.
Holly Holm is "thankful" for the opportunity to become the first women's featherweight champion when she meets Germaine de Randamie at UFC 208 in Brooklyn.
Michael Bisping will face Yoel Romero in the defence of his middleweight title later this year.
Former heavyweight champion Brock Lesnar has quit UFC, according to reports in the USA.
Top MMA star Ronda Rousey is unlikely to fight again in the octagon, according to UFC president Dana White.
UFC star Ronda Rousey claimed she could win a boxing world title, but have two KO defeats exposed her?
Former mixed martial arts champion Gael Grimaud is taking legal action against a ban hitting the sport in France.
Former UFC heavyweight champion Brock Lesnar has been suspended from the sport for one year following a doping violation.
Ronda Rousey will take some time before deciding on her future in UFC after her brutal defeat by Amanda Nunes on Friday.
What did we learn about Ronda Rousey after her UFC comeback was thwarted by new champion Amanda Nunes?
Ronda Rousey's hopes of reclaiming her UFC bantamweight title were blown away in 48 seconds by Amanda Nunes in Las Vegas.
UFC queen's peers tell Sky Sports about the past, present and future of women's fighting.
Conor McGregor's existence is eerily felt by Jose Aldo and Max Holloway, even when he isn't present...
UFC president Dana White does not see a future for Anthony Pettis at featherweight after he missed weight for his bout with Max Holloway.
Conor McGregor lacks the necessary boxing skills to swap the octagon for the ring, believes former WBO champion Andy Lee.
WWE Hall of Famer Ric Flair wants Ronda Rousey to compete at WrestleMania 33 in April - against his daughter Charlotte.
Watch more sport than ever before
New customers: £20pm for the first 2 months
Win in our free to enter competitions section
Play amazing courses on PC, tablet or mobile!