NASCAR Power Rankings: Jimmie Johnson, Kyle Busch grab top spots

10. Carl Edwards (8th) -- It is tempting to give this final spot to Kurt Busch, who came in third at Pocono and has four top-10s over the past six races.

Driver Marcos Ambrose is currently 22nd in the point standings, but could secure a wild card berth :: Jared C. Tilton/Getty Images

10. Carl Edwards (8th) -- It is tempting to give this final spot to Kurt Busch, who came in third at Pocono and has four top-10s over the past six races. Edwards, meanwhile, has only one top-10 in his past five starts (though he was 11th at Pocono). But Edwards is still third in the point standings, so it is hard to leave him out of the Power Rankings entirely. Keselowski and Ryan Newman also are contenders for this spot.