Rory McIlroy, Patrick Cantlay the sole survivors to par at the BMW

Tiger Woods hits from a bunker on the first hole during the second round of the BMW Championship golf tournament, Friday, Aug. 28, 2020, at Olympia Fields Country Club in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

Rory McIlroy reacts after missing a birdie putt on his final hole of the day on the 9th green during the second round of the BMW Championship golf tournament, Friday, Aug. 28, 2020, at Olympia Fields Country Club in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

OLYMPIA FIELDS, Ill. — Rory McIlroy doesn’t need fans to keep his head in the game at the BMW Championship. Olympia Fields is so tough it won’t allow anything but his full attention on every shot.