Those numbers don't tell me that Barnes should be the guy. They just tell me that Barnes did a pretty damn good job against some gargabe run defenses.
That's fair. Here are those numbers with run defense rank.
Barnes:
FAU #127 8 carries 9.1 per
ISU #103 5 carries 7.4 per
OSU #47 8 carries 9.0 per
BU #49 19 carries 6.8 per
KU #71 10 carries 10.3 per
Silmon
Stan #11 7 carries 3.7 per
OU #53 6 carries 5.8 per
UT #45 11 carries 5.3 per
ISU #103 9 carries 6.0 per
OSU #47 5 carries 5.8 per
TCU #27 22 carries 6.0 per
aTM #55 10 carries 7.7 per