Editor's note: Chris Rice, competition director for RAB Racing, has joined NASCAR.com as a guest writer and crew chief expert for the 2014 season. Tuesday's ruling against Joe Gibbs Racing with a 75-point penalty for Denny Hamlin and a six-race suspension for crew chief Darian Grubb is easily the biggest penalty of the NASCAR season thus far. NASCAR is pretty tight on stuff that goes into the driver's compartment because that goes toward the safety side of it. I understand it from the NASCAR side of it, but from the team side of it, we look at it as pretty severe for what may have been wrong with it. More...