By Pat Forde The list of contenders shrinks after the thrashing of Tennessee, but determining the final four teams won’t come any easier as the season enters the stretch run. Tennessee is out, blown out, which shrunk the pool of College Football Playoff contenders. The rest of the CFP top five survived and advanced, in largely shaky fashion, but that’s immaterial at this point. We have reached the “Just Win, Baby,” portion of the schedule for the four teams that are still undefeated. There are two games to go for six of the seven remaining contenders, just one left for the loser of Michigan-Oh…