Quarterback Robert Griffin III, the No. 2 overall pick in last week's NFL draft by the Washington Redskins, has added trading card company Panini America to an endorsement list that includes Adidas, EA Sports, Subway and Castrol Oil. Panini America said it has signed 24 of 32 first-round picks from the 2012 NFL draft to trading card and autograph deals, including No. 1 overall pick Andrew Luck (Indianapolis Colts) and No. 3 Trent Richardson (Cleveland Browns).