The defending champion New Orleans Saints are a perfect example of the NFL motto: You never can have too many offensive tackles.
The team had four proven and capable tackles on the roster last year in Jamal Brown, Jermon Bushrod, Jon Stinchcomb and Zach Strief. Then in April, New Orleans used a second-round pick on yet another tackle, Charles Brown. That abundance allowed the Saints to move one of their tackles, Jammal Brown, to the Washington Redskins earlier this year for a conditional third or fourth round pick.
The 49ers seem to be following the same theory. In a span of two months, they re-signed veteran Barry Sims, they drafted Anthony Davis in the first round and they also had an unexpected bonus: Alex Boone, a troubled undrafted free agent last season, arrived at...