Sunday’s FireKeepers Casino 400 at Michigan International Speedway is one of three remaining regular season races on the NASCAR Cup Series schedule. While there has been a flurry of first-time winners over the summer, Bob Pockrass of FOX Sports is going with a familiar face to get it done at Michigan. Pockrass, making his pick for Sunday’s race, went with William Byron to find his way to Victory Lane. Byron started out hot to open up the season, winning three of the first eight races, including the Daytona 500. He’s been winless since then and hasn’t led a lap dating back to the Coca-Cola 600 …