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 an opening-round 1-over 71, Friday wasn't much better for Rory McIlroy, who posted a quadruple bogey 8 on the par-4 fifth hole.

Low scores were out there at TPC Toronto, but the world's No. 2 will be fighting merely to make the cut Friday