Sprint great Michael Johnson launching 'Grand Slam Track' league

Sprinting great Michael Johnson is launching a track league that looks to assemble nearly 100 of the sport's top performers four times a year to compete for $12.6 US million in prize money over its first season.

Sprint great Michael Johnson launching 'Grand Slam Track' league
Male sprinter of the USA carries the American Flag after winning the Gold in the Men''s 200 meters during the 1996 Olympic Games at the Olympic Stadium in Atlanta, Georgia.

Sprinting great Michael Johnson is launching a track league that looks to assemble nearly 100 of the sport's top performers four times a year to compete for $12.6 US million in prize money over its first season.