In a statement, Nike said it did not comment on ongoing litigation.
Nike Inc shut down its Nike Oregon Project training group on Thursday, following the recent four-year ban of founder and coach Alberto Salazar by the US Anti-Doping Agency.
None of the athletes Salazar has worked with were mentioned in Monday's report.
Summary of sports persons and events in the news on Friday.
Alberto Salazar, the coach of Britain's Olympic champion Mo Farah, has been accused of using prohibited infusions of supplements to improve the performance of his runners, the Sunday Times reported citing a leaked United States Anti-Doping Agency (USADA) report.
Jessica Ennis-Hill's top Olympic coach Toni Minichiello has blasted Mo Farah for missing drugs tests prior to the 2012 London Olympics.
Britain's double Olympic champion Mo Farah said on Tuesday he was '100 per cent clean.'
Images from Saturday's proceedings at the World Athletics Championships in Doha.
A summary of sports events and sports persons, who made news on Tuesday
American Noah Lyles shot to 200 meters world championships gold on Tuesday, providing a bright finish to a day darkened by yet another doping scandal.