BY TEAM FORD RACING CORRESPONDENT

Fort Worth — The odds are against it, but all three of NASCAR’s major series championships could be decided this weekend at Texas Motor Speedway.

Jimmie Johnson will clinch by gaining 138 points on second-ranked Mark Martin in Cup, Kyle Busch will clinch by gaining 107 points on Carl Edwards in Nationwide and Ron Hornaday will clinch by gaining 74 points on Matt Crafton in Camping World.