The men’s sprint scene, clearly defined with favorites in each event two years ago, has since complicated. It’s most crowded in the 400m, where the U.S.’ two fastest men face off in a Diamond League meet in Doha on Friday.
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Michael Norman and Fred Kerley lead a list of anticipated head-to-heads — also Sha’Carri Richardson vs. Shelly-Ann Fraser-Pryce in the 100m, Rai Benjamin vs. Abderrahman Samba in the 400m hurdles and Emma Coburn vs.