After Scottie Scheffler's latest win at the Memorial Tournament, much of the talk coming into this week's RBC Canadian Open was how Rory McIlroy would respond in his first start since the PGA Championship.

Rory McIlroy made an 8 on his fifth hole Friday at TPC Toronto, free-falling down the RBC Canadian Open leaderboard on his way to a missed cut. McIlroy followed that quadruple-bogey debacle with four bogeys and a double in shooting 8-over 78. He finished at 9 over par, with only four players posting worse scores through 36 holes in Ontario.

Rory McIlroy tumbled out of the RBC Canadian Open on Friday with his second-highest score to par in any PGA Tour round of his career, with Cameron Champ taking a two-stroke lead into the weekend in the final event before the U.