Mbappé’s running speed a factor in France World Cup win

19-year-old goal-scorer for France displays astonishing pace on the field

Carb rinsing: the benefits of spitting vs. drinking

New York Times sheds light on English World Cup team’s practice of spitting out rather than swallowing their drinks

Russian footballers’ running may be the secret to their success

It may be no coincidence that the Russians, who defied all expectations in their opening matches, are also out-running every other team