On the eve of what is arguably his most important NFL season, during which he will be asked to give more of himself than in any of his previous four years as a pro, Vikings running back Alexander Mattison is already in full-on giving mode.
In-between voluntary and mandatory team obligations, during which he has assumed the role of lead back after the release of veteran Dalvin Cook, Mattison has been leading youth football camps in the three places that he has called home.
He and his team of supporters already concluded three-day overnight camps in Minnesota and San Bernardino, Calif.