Brooks Koepka says he changed his mind about LIV ... after U.S. Open

Brooks Koepka said he’s allowed to change his opinions. However, he seemed reluctant to explain his reasoning.

Koepka was among several players to speak to the assembled media Tuesday ahead of this week’s LIV Golf event near Portland, Oregon, where he will make his debut with the Saudi-backed league. For a half-hour or so, Koepka mostly either dodged questions or fired back contentious answers, at one point saying, “Just my opinion, man,” in response to a question about how he flipped his allegiance to the PGA Tour.

“It’s been pretty clear for a long time now that I’m with the PGA Tour, it’s where I’m staying,” Koepka said during the Phoenix Open in early February. “I’m very happy. I think…