Rory McIlroy takes another swing at LIV Golf, glad he went up 'against the best to bring out your best'

The 'Piers Morgan Uncensored' host weighs in after PGA tour commissioner Jay Monahan expressed displeasure with players competing in a Saudi-backed series.

Rory McIlroy took another shot at LIV Golf Monday following his second straight RBC Canadian Open victory.

McIlroy tweeted his thanks to all the fans who came out to St. George’s to support and cheer him on as he narrowly defeated Tony Finau and Justin Thomas and the prelude to the U.S. Open. He also took another swipe at LIV Golf, saying he had to play against the best to be the best.

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Rory McIlroy of Northern Ireland walks off the 18th green during the final round of the RBC Canadian Open at St. George's Golf and Country Club on June 12, 2022 in Etobicoke, Ontario. (Vaughn Ridley/Getty Images)

"Another special week in (Canada). Thank you to all the fans that came out and created an incredible atmosphere. Battling w/ @justinthomas34 and @tonyfinaugolf yesterday is what we dream about. Going up against the best to bring out your best. Proud to get my name on this trophy again," he wrote.

McIlroy was apparently referencing the stiff competition he faced in the PGA Tour event compared to what Charl Schwartzel had to face in the first LIV Golf competition.

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Before the start of the RBC Canadian Open, McIlroy was ranked No. 8, Thomas No. 6 and Finau No. 18. Sam Burns, who finished tied for fourth with Justin Rose, was ranked No. 9. Rose was ranked 58th.

Charl Schwartzel of Stinger GC celebrates with the LIV Golf Invitational individual trophy following victory during day three of LIV Golf Invitational - London at The Centurion Club on June 11, 2022 in St