Numberfire offers cutting edge lineup optimization tools and data analysis for Daily Fantasy Sports players. These tools can be accessed through both a free and premium subscription. Numberfire recently released a promotion code for their platform. For a discounted first month of premium membership, use promo code "Bootleg" when you sign up through the link below. This promotion is good for a reduced price of $9.99 for the first month of membership. The Numberfire promo code is exclusively for our BonusKings audience.