By John Helsley Staff Writer jhelsley@oklahoman.comMike Gundy pegged the marketing value of his mullet on ESPN in the millions for his program and his university. Now Gundy is heading back to Bristol, Connecticut, ready to sell his hairstyle and much more when he makes a Friday run through the network's popular “Car Wash,” featuring a variety of interviews on various ESPN television and radio shows. After arriving in Bristol on Thursday night and taping a spot for that night's SportsCenter, Gundy opens Friday's full slate of appearances with another SportsCenter bit at 6:45 a.m., the first of 13 stops in his day. The mullet will surely remain a topic of conversation, as it was Tuesday during Big 12 Media Days in Frisco, Texas.Read more on NewsOK.com