I don't know enough about the play of the O-line so I don't know if this makes sense or not.
What doesn't make sense to me is that after letting Bushrod go, the FO does not seem to be actively pursuing an OT in FA. If OT is that critical to Brees and our offense, then why haven't we done what Loomis always seems to do in FA - sure-up major weaknesses at critical positions before the draft.