BBC Sport explains the regulations around the size, weight and dimensions of footballs, and how much these can vary.

Lucrative sponsorship agreement could be terminated at a season’s notice in the event of the doomsday scenario ...

The Adidas deal also includes a £10 million penalty for each season United fail to qualify for the Champions League, starting ...

Manchester United ’s record-setting kit deal with German brand Adidas, which is worth a whopping £900 million across a ...

Arteta Highlights “Tricky” Balls in Arsenal’s Carabao Cup QuestMikel Arteta’s Arsenal have enjoyed a sparkling season across ...

Ruben Amorim says the prospect of United being relegated this season is real - here's why that would be a huge problem for ...