Chelsea: Chelsea have signed their “largest ever commercial deal” with the Yokohama Rubber Company that will see the name of the Japanese tyre manufacturer on their shirts for five years starting next season. Financial details were undisclosed but the agreement ends the Stamford Bridge club’s 10-year partnership with Samsung Electronics.

Granada: Granada striker Youssef El-Arabi and Levante defender Ivan Ramis have been banned for four games following an altercation during Monday’s game. The players were sent off in the 79th minute of Levante’s 2-1 home victory, and the Spanish Federation’s competition committee has punished them for “violent conduct in an off-the-ball incident”. El-Arabi will sit out tomorrow’s home match against Barcelona as well as the Primera Liga encounters against Malaga, Rayo Vallecano and Eibar. Ramis, meanwhile, will miss games against Rayo, Eibar and Real Madrid.

Blackett: Tyler Blackett has signed a two-year contract extension at Manchester United. The United academy product made his debut against Swansea on the opening day of the season and has since gone on to make another nine appearances for the club. The 20-year-old’s contract was due to expire in the summer, but he has agreed a new deal that will keep him at the club until June 2017.

Giaccherini: Sunderland striker Emanuele Giaccherini is unlikely to play again this season after undergoing surgery on an ankle injury. The 29-year-old had an operation yesterday on the injury that flared back up in the FA Cup replay win at Fulham earlier this month, and has been ruled out for 12 weeks.

X-Rated video: Charlton are investigating footage that appears to show a couple having sex on the club’s pitch. The video, that has been shared widely online, shows footage of a man and a woman on the centre spot of a football pitch. The description on the video claims the incident took place at The Valley, with the pair having broken into the ground at night. A Charlton spokesperson told Press Association Sport the club knew nothing of the incident, adding: “There will be a club investigation.”

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