If you went by looks alone, you'd say very. But the size, weight, dimensions and pressure for elite competitions is tightly regulated. The ball specifications are set by the International Football ...

3, 7489 Trondheim, Norway; ulrik.wisloffmedisin.ntnu.no Background: The aerobic capacity of soccer players substantially influences their technical performance and tactical choices. Thus, the ...

Their shooting stats in the EFL Cup are also broadly similar to both the Premier League and Champions League, with Adidas manufacturing the ball used in Europe's elite club competition.