The Vikings in advance of free agency have agreed to terms with 28-year old left guard Alex Boone.  Boone played all 6 of his seasons with the San Francisco 49ers.  He started 13 games last season with the 49ers before he sustained a knee injury.

Terms of the deal for Boone have not been disclosed.  The Vikings had $35 Million available in free agency.  NFL free agency begins at 3pm today.