Kyle Busch

Chris Graythen/Getty Images for NASCAR

Kyle Busch

Power 100 rank: 70
Sport: Nascar driver
Age: 24
Most recent notable achievement: 1st in Nascar Nationwide Series Standings
Earnings: $10.2 million
Key sponsors: M&Ms, NOS Energy Drink, Vans

Why he's on the list: Hailing from a racing family, Busch floats between the major (Sprint Cup) and minor (Nationwide Series) circuits and succeeds on both levels, so his name is always on ESPN.