When he crashed into a concrete wall at Daytona, Kyle Busch knew instantly his right leg and left foot were broken. Busch completed a comeback for the ages on Sunday when he won at Homestead-Miami Speedway to earn his first Sprint Cup championship. It came nine months after his crash into a concrete wall the day before the Daytona 500 - a wreck that forced NASCAR to make serious safety improvements across the circuit. More...