Chase Elliott has spent the last several years being known primarily as NASCAR’s most popular driver and the son of “Million Dollar” Bill Elliott.But late on Sunday afternoon, the 24-year-old Elliott became known as something much better -- the Cup Series’ 2020 champion. Elliott passed fellow Championship 4 driver Joey Logano for the lead with 43 laps to go, stayed up front the rest of the way and won the Season Finale 500 at Phoenix Raceway and the championship. “This is unbelievable,” he said, trying to catch his breath after getting out of his winning Chevrolet Camaro. “Oh my gosh. We did it. We did it. It’s all I got to tell you. Unreal.” The champ found the racing Sunday easier than finding the right words to describe his feelings afterward. “Last week was a huge win,” he said of his must-win victory at the Martinsville, Va. short track. “A shot to come here and have a shot to race. It’s unbelievable. Heck, I don’t know, I don’t even know. This is unreal. “We peaked at the right time. And that’s all you can ask for.