Add to Favorite Sellers. Jaylen Waddle Miami Dolphins Autographed Riddell Speed Mini Helmet – Fanatics Authentic Certified. Autographed NFL Mini Helmets. Take your collection of Miami Dolphins memorabilia to the next level with this Autographed Jaylen Waddle Riddell Speed mini helmet. Whether displayed in your home or office, it’s the perfect way to highlight your passion for the Miami Dolphins for years to come. Due to quantity levels, we do at times list a stock image of the product. This is done to standardize and expedite the listing process and only applies for merchandise that is comparably identical.