Final two bids are up for grabs at Phoenix and six contenders are in play for them
There are only three bids remaining for the championship four and two races to secure them
Johnson's quest for a record-tying seventh title continues at Martinsville
The Joe Gibbs Racing driver came close to winning the Sprint Cup title in 2011 but lost on a tiebreaker
Joey Logano has won the last two fall NASCAR Sprint Cup races at Kansas