Continuing modernization in sports has resulted in a backlog of perfectly good used equipment, as well as annoying midgame cleat-software updates that require players to manually restart. Return to simpler sporting days with today's Groupon: for $25, you get $50 worth of new and used sporting goods and fitness equipment at Play It Again Sports.

At Play It Again Sports, athletes equip themselves with high-end and lightly used gear, apparel, and accessories in such brands as Nike, Wilson, Ping, and Mizuno. Hockey enthusiasts stow their pucks and collectors' edition tuna cans in the Puck Catcher Pro ($49.99), and male athletes of all stripes can feel secure in a pair of Bauer Jock Plus shorts ($39.99). Perfect the sextuple axel in a pair of Jackson figure skates ($49.99), or rejuvenate sore muscles in style with a Brett Bros. ionic necklace ($29.99). Play It Again Sports also has equipment and apparel for dozens of other sports including football, basketball, soccer, tennis, disc golf, swimming, racquetball, and bear tickling.