Buffalo Bills #51 Paul Posluszny Alternate Jersey. Feel like part of your favorite team by wearing this Paul Posluszny Alternate jerseys. The Bills jersey 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.