.Bob Pockrass.FOX NASCAR Insider.The biggest worry of those defending a playoff spot in the NASCAR Cup Set is that a chauffeur who isn't from another location in the mix vaults right into the playoffs along with an upset victory.Hello, Austin DillonDillon, who was 32nd in the standings getting into Richmond, put himself in the playoffs along with a triumph-- albeit a debatable one-- on Sunday, the 23rd nationality of the 26-race regular season.Following Richmond, three nationalities remain to establish the playoff farmland: Michigan, Daytona and also Darlington.The NASCAR playoffs contain 16 vehicle drivers-- the regular-season champ and afterwards the next 15 drivers positioned through wins along with dead heats violated through points.With the best 7 drivers in the standings all contending least one victory, the regular-season champion most likely will be among the winners. Thirteen vehicle drivers have actually succeeded this year, suggesting approximately 3 locations can be readily available on factors. So that resides in, who's on the bubble and who is at win-at-all-costs? Those 13 drivers with success who reside in: Kyle Larson, Denny Hamlin, William Byron, Christopher Bell, Ryan Blaney, Chase Elliott, Tyler Reddick, Brad Keselowski, Alex Bowman, Joey Logano, Daniel Suarez, Austin Cindric and also Austin Dillon.The blister changed substantially with Dillon's triumph as right now maximum just 3 areas-- not 4 as just before the Richmond race-- could be on call to winless drivers. Both Chris Buescher and Ross Chastain fell below the cutline while Bubba Wallace relocated to the silver lining of being just one of the 3 winless motorists along with the most points.Joey Logano covers Austin Dillon's overtime transfer to succeed the Cook Out 400 So permit's specify: There are five winless motorists that would be actually combating for the current three locations offered entirely on points.Martin Truex Jr. has a 78-point edge on the cutline (currently Buescher as well as Chastain), along with 60 points on Ty Gibbs, that is 15 factors over Wallace. Buescher and also Chastain, tied in the status, are 3 points behind Wallace.In other terms, it's heading to be actually a match to the finish.Buescher gained at Michigan and Daytona last year, however those also are areas where Wallace typically has actually run well. Gibbs still seeks his initial career Mug succeed. Chastain is actually the chauffeur with the best latest experience in playoff pressure scenarios, where he usually has actually shown he may create traits happen.There are actually 16 other playoff-eligible chauffeurs who essentially face must-win situations: Chase Briscoe, Kyle Busch, Todd Gilliland, Josh Berry, Michael McDowell, Carson Hocevar, Noah Gragson, Ricky Stenhouse Jr., Erik Jones, Ryan Preece, Daniel Hemric, Justin Haley, Corey LaJoie, John Seeker Nemechek, Harrison Burton and Zane Smith.Bob Pockrass deals with NASCAR for FOX Sports. He has actually invested years dealing with motorsports, featuring over 30 Daytona 500s, along with stints at ESPN, Sporting Information, NASCAR Setting journal as well as The (Daytona Coastline) News-Journal. Observe him on Twitter @bobpockrass. Get even more from NASCAR Mug Series Follow your faves to obtain details regarding video games, headlines and more.