RELATED: Theriault airlifted after Vegas wreck
Kyle Busch broke his right leg and left foot in a season-opening NASCAR XFINITY Series crash when his car went head-on into a wall not protected by a SAFER barrier.
When Austin Theriault was in a similar wreck Saturday at Las Vegas Motor Speedway in a NASCAR Camping World Truck Series event, Busch was quick to offer support on Twitter -- and to fire back at those who questioned his motives.
RELATED: Watch Busch's season-opening wreck at Daytona
Check out 'Rowdy's' reaction to both the incident, and the feedback: