Hard as it is to hear or rationalize, we’re past the midway mark of the college football season right now. Following a wild Week 8 on the calendar that whittled down the field of undefeated teams even more, it’s as good a time as ever to take stock of what has happened in the sport so far. Thanks to a large sample size of games, we certainly have enough information on teams, players and coaches now to figure out some of the biggest under (and over) achievers in college football in 2018 relative to early expectations.