Since 1993, the PDP candidate has sought five times and failed to be Nigeria’s president.
Mr Oshiomhole said Mr Buhari will garner support for the APC presidential candidate across the country.
Mr Tinubu urged the people to be “wise and discerning” as they prepared to choose the country’s next president, in the 2023 general election.
Mr Obi made the promise at a rally organised by the Middle Belt Forum on Thursday in Jos.
On Wednesday, the survey from San Francisco-based Premise Data Corp placed Mr Obi in the lead.
Shouts of “Obi! Obi!!” rented the air as the presidential candidate and his entourage arrived at the Rwang Pam township stadium for the rally.
Mr Obi’s supporters had fixed Friday, October 1, 2022, for the rally to draw support for their preferred candidate.
Nobody fancies a mob rule except the mob.
Mr Obi’s visit to Minna irked some of his critics who accused him of hobnobbing with past leaders who destroyed the country.
“I told myself that after church, I and my partner will come straight to join the rally too,” the bridegroom told the crowd of supporters.
