If you run into Dale Jr. for his last weekend racing at Darlington, be sure to ask him what his current Uber rating is. He recently battled the ride sharing service over his rating on Twitter.
Check out a breakdown of the full saga here: https://www.nascar.com/news-media/2017/08/28/news-media20170828dale-jr-vs-uber-who-came-out-on-top/