John O'Korn (Freshman)
Completion % - 58%
Yards - 3117
Yards per Attempt - 7.0
Touchdowns - 28
Interceptions - 10
QB Rating - 133.0

Chuckie Keeton (Sophomore)
Completion % - 68%
Yards - 3373
Yards per Attempt - 8.3
Touchdowns - 27
Interceptions - 9
QB Rating - 154.7

I used Chuckie's sophomore year to get more comparable numbers but Chuckie was on pace for an even better junior year before his injury. 157.1 QB rating with 18 TD and only 2 INT.

Also, keep in mind that the numbers above don't include their rushing stats which Chuckie dominates. 8 TD to 1 and over 600 yards to just over 100.

So not only is Chuckie a better passer than O'Korn, he is also much more of a threat with his feet. Now this isn't to say that O'Korn won't improve a lot this season or that he can't have a better career than Keeton but as of right now, Chuckie is the better QB and it isn't really that close.