Denny Hamlin'sdismal qualifying run puts him at the very back of the 38-car field. He immediately took the ailing No. 11 Joe Gibbs Racing Toyota back to the garage with a possible powertrain issue. The hood went up and the crew quickly tried to assess the situation under the watchful eye of NASCAR officials."They see a few red flags, certainly," Hamlin told NBC Sports. "They'll dig into it ... Keep
