Rory McIlroy did not take missing the cut at the RBC Canadian Open lightly, as he expressed his concerns about his game ahead the upcoming US Open.

Rory McIlroy made an 8 on his fifth hole Friday at TPC Toronto, free-falling down the RBC Canadian Open leaderboard. After hitting his tee shot into the right rough on the par 4, McIlroy's approach shot from 134 yards traveled 165 — so far past the spectators around the green that they didn't notice it soar over their heads.

After a two-week hiatus from the PGA Tour following the PGA Championship, Rory McIlroy returned to action this week at the RBC Canadian Open—but his time in the tournament was short-lived. McIlroy struggled mightily over both rounds,