Conor McGregor steps back into the octagon this weekend as he battles Dustin Poirier for the second time in the main event at UFC 257.

Never change a winning side. It is a saying uttered by many a manager, pundit or fan. The notion that if something isn't broken why even think about fixing it? Solskjaer isn't one for change.

Liverpool manager Jurgen Klopp describes his side's form as "not perfect" but also said it is "not a catastrophe".

Novak Djokovic says his letter calling for better conditions for players self-isolating in Melbourne was written with "good intentions" and has been "misconstrued as being selfish, difficult and ungrateful".

The Premier League has agreed to trial the use of concussion substitutes.

Harlequins head of rugby Paul Gustard has left the club with immediate effect.

Novak Djokovic insists he was not being "selfish, difficult and ungrateful" in speaking out about quarantine conditions for players ahead of the Australian Open.

Fast bowler Olly Stone hopes to play for England for "many years to come" after banishing doubts that his body would not be up to the demands of Test cricket.

Quarterback ranks fifth all-time in NFL passing yardsRivers made name with Chargers before final season with ColtsHunter Felt: in praise of the weird intensity of Philip RiversPhilip Rivers, one of the most prolific quarterbacks of the modern NFL era, has announced his retirement after 17 seasons in the league.“I can sit here and say, ‘I can still throw …

The Premier League has voted to introduce permanent concussion substitutes.

The midfielder helped fire the Foxes to the summit following Tuesday's 2-0 win over Chelsea

Philip Rivers has announced his retirement after 17 seasons in NFL.

Chelsea Q&A - LIVE!

Harlequins have parted company with head of rugby Paul Gustard.

The move, which will begin on an initial trial basis, will see clubs able to use a maximum of two changes for suspected head injuries per game

Greek centre-back was cut from Mikel Arteta’s squad last yearEdu thanks ‘model professional’ who made 69 appearancesArsenal have cancelled the contract of Sokratis Papastathopoulos, their out-of-favour defender, leaving him free to find a new club. Related: Mesut Özil: the galáctico who became symbolic of Arsenal's decline Continue reading...

Maximum of five changes per game may be permitted next weekClubs also vote to extend televised coverage of all matchesConcussion substitutes could be introduced to the Premier League as early as next week after issues over the players’ confidential medical data were resolved.As part of a Fifa trial, top-flight clubs agreed on Wednesdayto the addition of …

Max Rushden is joined by Nicky Bandini, Lars Sivertsen, Philippe Auclair and Sid Lowe to discuss the midweek round of Premier League fixtures, plus updates from Italy, Spain and FranceRate, review, share on Apple Podcasts, Soundcloud, Audioboom, Mixcloud, Acast and Stitcher, and join the conversation on Facebook, Twitter and email.Max Rushden is joined by …

The Premier League has confirmed all matches from January 30 through to the last weekend of February will be available for fans to watch live in the UK.