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 fired a 1-over, 71 in the first round of the RBC Canadian Open - his first tournament since the PGA Championship where he finished 3-over and 15 shots back of Scottie Scheffler, who went on to win the tournament.

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

The dip in form may be traced back to McIlroy's admission post-Masters victory of a diminished drive as he contemplates further ambitions. Ahead of the Canadian Open, McIlroy conveyed to journalists, "Yeah, I don't know if I'm chasing anything,".

In the days leading up to the RBC Canadian Open, Rory McIlroy finally addressed his driver being deemed "no longer permissible" ahead of the PGA Championship where he finished 3-over and 15 shots back of Scottie Scheffler,

The headliner for the RBC Canadian Open field will not be playing on the weekend, as Rory McIlroy's week went from bad to worse on Friday, as he followed up his 71 on Thursday with a 78 in the second round to miss the cut by 12 shots .