(Photo credit: John David Mercer-USA TODAY Sports)
The jockeying for the final few available playoff spots has entered crunch time as the NASCAR Cup Series hits the Atlanta Motor Speedway for Sunday's Quaker State 400.
Eleven drivers are all but assured of qualifying for the postseason based on victories in the first 18 races of the regular season.
Kevin Harvick (151 points above the playoff cut line), Chris Buescher (1