The 2013 college football season has the potential to showcase one of the greatest quarterback classes ever. Eight of the top 10 teams in last year's final AP Poll return their starting quarterbacks, and every conference except the Big 12 returns either their first- or second-team quarterbacks from last season. In preparation for the 2013 season, ESPN Stats & Info will take a deeper look at the top quarterbacks entering the fall. Thursday we take a look at TCU's Casey Pachall.
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