March 6 : American sprinter Fred Kerley has been suspended for missing three out-of-competition drug tests within a 12-month period, the Athletics Integrity Unit (AIU) announced on Friday. The AIU said Kerley's missed tests qualify as whereabouts failures under the World Anti-Doping Code, which requires athletes in a registered testing pool to provide daily location details so they can be tested without notice. Three missed tests or filing failures in a year can trigger a sanction of up to two