We’re officially eight weeks into the college football season and the Heisman Trophy race is taking much more clear shape, with a few key contenders emerging at the top. As we continue through the season, our experts at On3 will continue to evaluate and discuss which players deserve mention for college football’s most prestigious award. There are still dozens right now, even this far into the season. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! Let’s take a look at the top selections from our On3 national experts, with their top three…