BBC Sport explains the regulations around the size, weight and dimensions of footballs, and how much these can vary.
18+ New customers only. Opt in and bet £5 on football (odds 2.00+) within 7 days of registration. No cash out. Get 2x£10 Free Bets for set EPL markets and a £10 Slot Bonus for Big Bass Splash, 20x ...
Puma provide the match ball for all EFL competitions - including the Championship and Carabao Cup - while Mitre do likewise ... are set by the International Football Association Board (Ifab ...