Oakland Raiders #21 Nnamdi Asomugha Team Color Jersey. Every hardcore fan have own favorite sports jerseys. If you are a Oakland Raiders fan. This Nnamdi Asomugha Team Color Jersey is for you. It is made of durable, quick-drying diamond back mesh with dazzle side panels, yoke, and sleeves. The player's number is screen-printed on the front, back, and sleeves, and the player's name is screen-printed on a sewn down nameplate at the upper back.