NASCAR Power Rankings: Kyle Larson unseats William Byron at the top

Kyle Larson vaults to the top spot this week after his second-place finish Sunday at Dover Motor Speedway. He has shown the most consistent speed of any driver this year — he has six stage wins, four more than any other driver. Larson is followed by the two three-time winners (William Byron and Denny Hamlin) and then Martin Truex Jr., who once again couldn't capitalize with one of the best cars on track. As the series heads to Kansas, the third "traditional" 1.5-mile track of the season, we'll take a look at how these drivers did in their first two...