It's uncertain when Steen suffered the injury or how much pain he played through, but getting the surgery done now instead of after the bowl game should give him a head start on NFL draft prep.
Kellen Williams has been pegged by local reports as Alabama's sixth man on the offensive line and could fill in for Steen. Redshirt freshman Alphonse Taylor was listed as Steen's backup at right guard on the pre-Auburn depth chart.
I have to agree with this assessment. Williams filled in for Steen when he went down in the Texas A&M game and did an admirable job.