USA track legend Carl Lewis discusses why sport 'needs' Noah Lyles to dominate at Olympics

Ever since Usain Bolt hung up the spikes, track and field has been searching for the new face of the sport and might find it this weekend.

Noah Lyles is on a quest to win four gold medals. The American sprinter will run in the 100m, 200m and 4x100m relay, while his status for the 4x400m relay is up in the air (although he is prepping for it).

One may think that it gets boring after a while to see the same person win all the time. Bolt threepeated in the 100m, 200m and 4x100m from 2008 t...