By Jared  Turner It’s all come down to this. With one race remaining until the 16-driver Chase for the NASCAR Sprint Cup is locked in, 12 drivers have already punched their respective ticket into the 10-race playoff. That leaves four spots potentially up for grabs in Saturday night’s Federated Auto Parts 400 at Richmond International Raceway, host of the 26th and final race of the Sprint Cup Series’ regular season. Following are the drivers locked into the Chase, all by virtue of having one or more wins so far in 2016: Team Penske’s Brad Keselowski, Joe Gibbs Racing’s Carl Edwards, JGR’s Kyle…

By Jared Turner Appearing at a press conference Sunday afternoon at Darlington Raceway just two days after his team announced he would miss the rest of the season, Dale Earnhardt Jr. admitted to not being physically up to the task of competing in that night’s race. Junior, of course, has been out of action since mid-July due to the lingering effects of a concussion suffered at Michigan International Speedway in June and then re-aggravated at Daytona on July 4 weekend. If you listened to Junior speak on Sunday, it was obvious that NASCAR’s 13-time most popular driver wants to return to his…