Analysis: NASCAR Cup Chase Down to 6 Drivers After Charlotte

CONCORD, N.C. -- After Kyle Larson padded his points lead in the NASCAR Cup Series at Charlotte Motor Speedway, the field of true Chase contenders is getting thinner.Kyle Larson leads Denny Hamlin by 49 points, Christopher Bell by 51, Chase Briscoe by 65, Ryan Blaney by 85 and Joey Logano by 92 heading to Phoenix Raceway this Sunday.Although Blaney and Logano are more than a race worth of points, Blaney has won the last two races at Phoenix, two of the last three fall races at Martinsville Speed