Phoenix Suns co-owner Robert Sarver is being accused of using the N-word on multiple occasions over the course of his 17 years with the team ... denying all but one claim made against him.
ESPN just released a lengthy report on Sarver's tenure with the Suns organization ... with several sources accusing the 60-year-old of racism, sexism and misogyny.
Earl Watson -- who was head coach of the Suns from 2016-17 -- claims Sarver hurled the slur multiple times after a game against the Golden State Warriors .