New on SI: NFL Free Agency: Biggest Winners and Best Signings

The first week of NFL free agency brought a lot of excitement, some surprises, and some record setting contracts. The San Francisco 49ers brought back left tackle Trent Williams with the highest contract for an offensive lineman while the Cowboys gave quarterback Dak Prescott a four year contract with a record setting $126 million in guarantees. Sports Illustrated’s Albert Breer, Michael Fabiano and Wilton Jackson tell Madelyn Burke their best signings from the first week of the NFL’s new league year.