Relationship issues , off - course differences with his management and a much - scrutinised switch from Titleist to Nike equipment seemingly rendered him ineffective from tee to hole .
McIlroy was , at that point , winless in 18 months .
Relationship issues , off - course differences with McIlroy 's management and a much - scrutinised switch from Titleist to Nike equipment seemingly rendered him ineffective from tee to hole .
McIlroy was , at that point , winless in 18 months .