When the 1904 Olympic Games were awarded to St. Louis in 1903, McGrew petitioned the Olympic Committee to permit Glen Echo Golf Club to host the event.
"We're also following with interest the discussions in the golf community, how they themselves are considering these discussions and what judgment they are making", he said.
Golf still has eight of the top 15 players in the world competing in Rio, though losing the top four could be a big setback in its bid to stay in the Olympic program.
Golf apparently ranks low on the list of sports McIlroy might watch during the Games in August.
However Masters champion Danny Willett, who will be playing in Rio for Great Britain alongside Justin Rose, claimed yesterday there is more chance of catching malaria at golf events in South Africa. The other Americans are Bubba Watson, Rickie Fowler and Patrick Reed. It was a fascinating rebuke to Rory's rip job earlier in the day at Royal Troon. And none of it has to do with The Open. Unfortunately, that may be the dagger to any hope of keeping golf an Olympic Sport.
Fielding a question about Zika virus cases turning up in OH and Pennsylvania, where he has played tournaments, and Texas, where he resides, he stressed that it's inaccurate to report that he withdrew because of Zika alone.
"On average I probably get tested four to five times a year which is very little compared to the rest of the Olympic sports. I got into golf to win championships and win major championships", McIlroy said.
'Whether it's on the security side or health issues or even our schedule through the summer, I definitely understand why they are not going.
"I was pretty sure all along I wanted to go play unless the threat would have gotten worse, then it would have been a very different story". You're going to get down there and you're probably not going to see a mosquito in sight. They don't know what I know about myself and my future and my goals.
"I didn't get into golf to get other people in the game but I get that.different people have different opinions". I didn't have two good majors so I'm looking to get the last two and play well here and at the PGA.
"Honestly, I don't think it was as hard a decision for me as it was for [Spieth]".
"I'll probably watch the Olympics, but I'm not sure golf will be on of the events I'll watch". "I feel like I have a responsibility to grow the game, as part of a group of players who can spread this game throughout the world".