The college football season has officially reached its halfway point of the regular season with seven weeks downs and seven more to go. Following several big performances this week in premier games, CBS Sports analyst Danny Kanell updated his list of the top five Heisman Trophy candidates. Oregon quarterback Dillon Gabriel played his way to the top spot by leading the Ducks to a last-second victory against No. 2 Ohio State. He led the team downfield for the go-ahead field goal with less than two minutes remaining to put them in the driver’s seat of the Big Ten. CLICK HERE to go to PrizePicks a…