Landon Donovan, of the U.S. men’s national soccer team, uses the second half of a match to display his world-class speed and explosiveness, bolting behind sagging defenses and overpowering opponents in loose-ball battles. Cleveland Browns running back Trent Richardson, meanwhile, likes to wear down opponents in the closing quarters of a game by running right over defenders brave enough to try and stop him.

How do these two world-class athletes maintain energy when their opponents are struggling at the end of games? Learn their halftime fueling secret at STACK.com.