Up to 25% Off Savings
Up to 25% Off Savings. Each offer has a limited duration that expires at the specified time. Some promotions may require that you enter a code. By making a purchase featuring a discount or promotion, including where a code may be required, you are agreeing to these terms and exclusions. Generally, eligibility will be as reflected in the price shown on the product page. However, discounts and promotions for certain products may only appear once an item is added to the cart and the code is entered. Prices and fees, including any applicable discount(s), will be as reflected in the cart. Only the as-discounted retail price (excluding applicable shipping, taxes, and handling fees) counts toward any minimum spend required for eligibility. If a rewards program applies, the rewards may only apply to the as-discounted retail price. Discounts and promotions do not apply to gift cards. Gift card purchases do not count toward any minimum spend required for eligibility. Exclusions may apply, including: all auctions and product drops; product that is already on sale, of limited quantity, for recent championship or other special events; trading cards and certain memorabilia; select jerseys, on-field headwear, die cast and certain collectibles; and certain premium brand product. Additional terms and other exclusions may apply in our sole discretion. Items listed as FINAL SALE on the product page are final sale and cannot be returned. Free shipping promotions are valid in Continental U.S., US Territories, and AFO/FPO only, such promotions exclude heavy, large, and/or bulky items, and free shipping does not apply to the extent your cart at checkout contains any excluded item(s). Shipping method and timing may vary. Expected delivery times are based on in-stock items and the specified zip code, if applicable. Delivery estimates are not guaranteed.
  1. baseball Memorabilia
  2. Boston Red Sox
  3. Boston Red Sox Trading Cards
  4. Justin Masterson Memorabilia
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Trading Cards
4 Items
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Almost Gone!
$25.99
$28.99
Sale
Justin Masterson Card 2009 Topps Chrome Gold Refractors /50 #96
Almost Gone!
$21.99
$23.99
Sale
Justin Masterson autographed player worn jersey patch baseball card (Boston Red Sox) 2009 Topps Ticket #TSARJM LE 230/489
Almost Gone!
$21.99
$23.99
Sale
Boston Red Sox Justin Masterson Signed 2009 Bowman Autograph Card #49 113
Almost Gone!
$43.99
$48.99
Sale
Justin Masterson 2008 Bowman Chrome Unsigned Rookie Card
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Justin Masterson Boston Red Sox Trading Cards

If you're a dedicated collector of baseball cards, Steiner Sports is the place for authentic Boston Red Sox Justin Masterson trading cards. Shop an amazing selection for rare player cards, Justin Masterson Red Sox signed baseball cards and Boston Red Sox trading card sets at SteinerSports.com. Find the best additions to your collection with Justin Masterson vintage Red Sox cards and more such as autographed Justin Masterson cards and much more from our shop. Steiner Sports has got you covered with an incredible assortment of official Boston Red Sox memorabilia and signed Justin Masterson collectibles.