It's the new kid on the block versus the old master in this week's Viral Video Chart, as Rory McIlroy faces Tiger Woods in a game of one-upmanship on the golf course.
The pair square off in No Cup is Safe, Nike's amusing video to promote the news that McIlroy has agreed a deal (believed to be worth a whopping £124m) to endorse its products for the next 10 years.
The ad, created by Weiden + Kennedy, storms to the top of this week's Brand Chart with more than 100,000 social media shares, beating off competition from Samsung, Sony and Burberry.
Over on the User Generated Content chart, top spot this week goes to the notorious internet trickster Rahat Hossain, who has amassed an enormous 28 million views and over 350,000 shares with an invisible driver prank that baffled drive thru employees.
No Cup is Safe, Nike's amusing video to promote its newest signing - McIlroy has agreed a deal believed to be worth £124m to endorse Nike products for the next 10 years -
The charts are compiled with the Viral Ad Network and are based on the number of shares each video has received on social media over the last seven days.