Michigan Preview: Jason Leffler's death casts shadow Author:Lars AndersonPublish date:Jun 14, 2013NASCAR drivers are much more fortified with safety equipment than their dirt track counterparts.Patrick Smith/NASCAR via Getty ImagesJason Leffler considered the dangerous dirt oval circuit to be "real racing."Tyler Barick/SILatest NewsF1 Saudi Arabian GP 2024 Predictions & Betting Odds for Today: Sat, 3/9Formula 1 Season Preview: The Race for SecondSI:AM | Daniel Suarez Wins NASCAR Race in Atlanta After Unbelievable Three-Wide FinishPietro Fittipaldi’s Indianapolis 500 Entry to Be Backed by 5-Hour ENERGYMotocross Star Jayo Archer Dies At Age 27