Greg Biffle was not flying the plane that took his life and that of six others when it crashed in Statesville, N.C., in December.

It happens to Dave Marcus Jr. nearly every time he comes to the racetrack.The 2013 International Hot Rod Association Super Rod world champion is asked if he's the son of former NASCAR star Dave Marcis.The different spellings of their last names should clue in fans that they're not related. However,...