SI Fantasy's Team Preview series from high-stakes legend Shawn Childs aims to break down the Seattle Seahawks to evaluate the offense, defense, coaches and everyone in between with a fantasy-slanted analysis.

In an unprecedented turn of events, NFL tight end Greg Olsen has agreed to sign with FOX to join as a commentator after his retirement.

Breaking down every major free agent signing (and trade) as it happens. Tom Brady, Todd Philip Rivers, Teddy Bridgewater, Stefon Diggs, DeAndre Hopkins, Amari Cooper, Todd Gurley, Byron Jones, Ryan Tannehill, Austin Hooper and more.

Greg Olsen has found a new home and is joining the Seattle Seahawks.

Greg Olsen's Carolina Panthers career is officially over.