Todd Gallagher wants to measure true athleticism by competing against so-called great "athletes" in a variety of playground sports.
Who better than Brian Jordan -- former MLB All-Star and NFL starting safety -- to be the first contestant in the Playground Challenge.
In the spirit of the most grueling Olympic event, we offer an alternative test for couch potatoes across the globe.
Which athletes are the best in the world? Page 2 examines the big debate over the next two weeks.