announced today that they're taking on a "second sport" and putting their "twisting, licking and dunking" skills to the test, as the newest members of the Double Stuf Racing League (DSRL). The sisters join famous quarterback brothers Peyton Manning and Eli Manning, the league's first "two sport" athletes, who launched the DSRL earlier this year. The DSRL puts a new spin on the classic Oreo and milk ritual by bringing friends and families together to "lick race" -- a friendly competition ...