World 100m champions Sha'Carri Richardson and Noah Lyles sprint on back-to-back days as the track and field season heats up on NBC Sports and Peacock. Richardson races a Diamond League 200m for a second consecutive Saturday. On Sunday in Bermuda, Lyles will race the 100m against a field that includes Americans TeeTee Terry, Tamara Clark and Anavia Battle. Lyles won the world title last August in a personal-best 9.83