Martinsville showed what happens when folks stop being polite and start getting real. The gloves came off and surprising feuds simmer to a boil. Matt Kenseth found himself smack dab in the middle of a Jeff Gordon feud. A simple bump can become a NASCAR fight.
Some feuds are obvious (Carl Edwards and Brad Keselowski have been at it for weeks), but many others are just below the surface. Here is a handy chart to see if you’re in the middle of bitter racing rivalry.