Both Topps and Upper Deck have included a popular throwback-style insert product in their Series 1 sets. This year Topps has used its Turkey Red product as an insert set rather than a standalone product. While this decision has sparked various opinions, Turkey Red works well as an insert. There are two Cubs cards in this set, belonging to Kosuke Fukudome (#TR-40) and Geovany Soto (#TR-42).
In Upper Deck's Series 1 set, UD has included a 1975 style throwback set based on the 1975 O-Pee-Chee design. The Cubs cards in this set include Derrek Lee (#OPC-17), Kosuke Fukudome (#OPC-35), and Alfonso Soriano (#OPC-3).
Many bloggers have posted about the similarity between this OPC throw-back design and the 1975 Topps design. While the cards are similar, there are several differences, including the background color scheme, the font for the Cubs team name, and the placement of a logo rather than the player's position in the inset circle:
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