Tiger Woods has caused some confusion on social media after being spotted putting two "pouches" inside his mouth at the Genesis Invitational.
The 15-time major winner is competing in his first official PGA Tour event since undergoing surgery after last year's Masters.
The past few years has seen Woods go under the knife for several operations and he cut a frail figure back in November 2022 when he hinted at being close to retirement.
For that reason, any event that Woods decides to show up at will undoubtedly attract worldwide attention with fears it could be one of his last.
Tiger Woods was seen putting something in his mouth during the practice round
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He appears to be in a much better physical condition than 14 months ago though with Woods admitting in his pre-tournament press conference that he was "pain-free".
The tournament hadn't even started on Wednesday with Woods and co followed by hundreds during a warm-up round.
With all eyes on Woods, there are also cameras and one curious spectator spotted the golfing icon grabbing something from his bag and decided to start filming.
In the clip, which has now been watched by thousands, Woods is seen opening up what appears to be a cylinder-shaped tub and taking out two items and putting them in his mouth.
The person who filmed the short video can be heard repeatedly whispering: "What is that?"
It wasn't completely clear in the clip what it was that Woods had seemingly consumed.
And it wasn't clear to users on social media either with different theories thrown around.
Some speculated that they were tobacco pouches Woods had put in his mouth.
One person wrote: "Looking like Copenhagen Mint pouches!!"
ONE OF US pic.twitter.com/FvfQk1zBCc
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Another said: "Grizzly straight pouches."
A third posted: "I was hoping it was edible cannabis, chewing tobacco is gross."
But others guessed Woods had consumed some form of coffee pouch.
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One person noted: "That's clearly a grinds coffee pouch."
Another took a guess at naming them as: "Dryv energy pouches."
Woods had an eventful start to his round on Thursday with three birdies inside the first six holes.
But that also included back-to-back bogeys on the second and third hole to leave him one-under par at the turn.