Semi Ajayi is a 33-year-old professional football player from NGR. He currently plays for Hull City, wearing the number 6 shirt. At the international level, he represents Nigeria. He plays primarily as a Defender. He stands at 193cm tall and weighs 83kg. His preferred foot is Right. His current market value is estimated at 900K €.

His most recent move was a from West Bromwich Albion to Hull City on 2025-07-01.

Throughout the English Football League Championship 2025-2026, Semi Ajayi featured in 16 matches, averaging 1 tackles, 0.9 interceptions, and 3.1 clearances per game, while blocking 0 shots per game.