73 of 2,485 (2.9%) NASCAR Sprint Cup races for which the winner’s age is known have been won by drivers under 25:
1. Kyle Busch, 17 [turned 25 the day after his 17th win on May 2, 2010]
2. Jeff Gordon, 15
3. Joey Logano, 9
4. Kurt Busch, 7
(tie) Richard Petty, 7
6. Junior Johnson, 5
Tied with one each (13): Trevor Bayne, Chris Buescher, Bob Burdick, Bobby Hillin Jr., Parnelli Jones, John Kieper, Terry Labonte, Kyle Larson, Ryan Newman, Bill Rexford, Fireball Roberts, Donald Thomas, Brian Vickers.
