Metrodome Seat Back #28 Rare and highly collectible #28 Metrodome Seatback. Adrian Peterson or Bert Blyleven both wore #28. Highly desired seatback #28 is perfect for your collection. **original manufacturer replacement number #28 plate** Quantity Old Price: $49.99 Price: $39.99 You save: $10.00 Updating cart... Updating...