The Brit left NFL side Philadelphia Eagles after two seasons with the side.
He won Super Bowl LII with the side in 2018 after two seasons at the Miami Dolphins.
This is the first time Ajayi has been a free agent in his American football career.
But his methods of advertising have been extreme.
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Posting on Instagram earlier today, the running back can be seen posing.
Ajax stands as if he is about to sprint while wearing a helmet.
But the helmet is the only item of clothing he has, with his dignity covered on the pose.
The 26-year-old also poses with just the helmet covering him up.
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Since being published two hours ago, the post has already been liked more than 20,000 times and features an interview he gave to The Times today.
Accompanying the naked snaps, Ajayi wrote: “Alright, so I’ve decided to leak these before some hacker from another country jump in my iCloud.
“First off I want to thank my mama & pops for blessing me with great genes, dark chocolate skin and a great ass.
“Secondly let the motherf***ing jokes begin.
“Swipe at your own risk.”
And fans were left baffled by the running back’s announcement.
“Absolute clown,” one said.
Another commented: “Holy c***.”
While a third suggested Ajayi’s chances of a new contract could be impacted.
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“What does football have to do with this,” they said.
And a fourth added: “This is weird.”
Ajax only played four games last season after he tore an ACL last October – but will return to action if he is signed up.
Rumours emerged of a return to the Eagles earlier this year before they brought in Jordan Howard.
NFL pre season kicks off next month, with 2018 Super Bowl winners Atlanta Falcons taking on Denver Broncos.