He 's consistently served as co-DC since 2011 , and in the one exception - 2013 at Arkansas - he still was working closely with Charlie Partridge and Bret Bielema .
For one , Ash has n't had many opportunities to lead at a high level .
Ash 's consistently served as co-DC since 2011 , and in the one exception - 2013 at Arkansas - Ash still was working closely with Charlie Partridge and Bret Bielema .
For one , Ash has n't had many opportunities to lead at a high level .