Much will be on the line for drivers as the NASCAR Cup Series returns to the oval at the Indianapolis Motor Speedway this weekend for the first time since 2020.The top four drivers in the points are separated by 20 points as they race to be the regular season champion and gain as many playoff points as possible.The race for the final playoff spot is tightening with five races left in the regular season. Also, there are drivers who must win to make the playoffs and could upset the playoff standings.NBC will have coverage of Sunday’s race at 2:30 p.m. ET.Drivers to watch at Indianapolis FRONTRUNNERSDenny HamlinPoints position: 4thBest finish this season: 1st (Bristol I, Richmond I, Dover I)2024 stats: Three wins, eight top fives and nine top 10s. Has led 751 laps and has an average finish of 14.3.Going into the weekend: Hamlin is winless in 15 career starts on the Indy oval. He has finished in the top five in five of those races. The last time the series raced on the oval in 2020, Hamlin…