Entering the final race before the cut to the final eight drivers in the 2023 NASCAR Cup Series Playoffs, only 27 points separate No. 6 from No. 11. That makes for a potentially dramatic race to the checkered flag in Sunday's Bank of America ROVAL 400 at the Charlotte Motor Speedway Road Course. Sitting precariously in the sixth position is regular-season champion Martin Truex. He has remained above the cutoff line in large part due to the 36 playoff points he started off with. Truex has not finished better than 17th in the past five playoff races, with an average finish of 21.6. He is just 17 points ahead of Tyler Reddick, who enters Charlotte in ninth place, just two points behind Brad Keselowski for the final spot to advance in the playoffs. Keselowski has never won a Cup Serie…