The video reportedly originated from Williams' Instagram account and has since been deleted.
TMZ Sports also notes the following Instagram post of Williams sitting on what appears to be a 2019 Ferrari 488 Pista while writing that "the IG story video looks like the same car."
The 49ers traded for Williams in April, sending a fifth-round draft pick in 2020 and a third-round pick in 2021 to Washington in exchange for the seven-time Pro Bowler.
TMZ Sports wrote that they reached out to Williams for comment but have not heard back from the offensive lineman.
"It's unclear where the video took place, but given Williams reported to 49ers training camp earlier this month, it likely is on a Bay Area freeway," notes NBC Sports Bay Area writer Alex Didion.
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