Nike’s relationship with Kyrie Irving most likely over for good, Phil Knight says

• Nike co-founder says relationship with Nets star likely over
• Irving signed with Nike in 2011 and had signature shoe line

The relationship between Brooklyn Nets guard Kyrie Irving and Nike is most likely severed for good, the shoe giant's co-founder told CNBC.

I would doubt that we go back," Phil Knight said in an interview that aired on Thursday. But I don't know for sure."