ROAD TRIP! Dale Earnhardt Jr. and Mike Davis take the Dirty Mo Crew on the road for today's episode. Fresh off the track at Martinsville testing for NASCAR's MX5 support series, Dale Jr. describes how the cars drive, how similar they are to a stock car, and what the future may look like for the series at Martinsville Speedway. Plus Dale Jr. and Mike react to the release of Becoming Earnhardt Volume 7, Denny Hamlin's spicy comments about Sam Mayer from Watkins Glen, and so much more! Plus another short track update from Hannah Newhouse on Short Track Insider.