Kai Wagner is a 30-year-old professional football player from GER. He currently plays for Birmingham City, wearing the number 31 shirt. He plays primarily as a Defender. He stands at 182cm tall and weighs 78kg. His current market value is estimated at 5M €.

His most recent move was a Free from Philadelphia Union to Birmingham City on 2026-01-02. The reported fee was 2.5M €.

Throughout the English Football League Championship 2025-2026, Kai Wagner featured in 10 matches, averaging 2 tackles, 1 interceptions, and 3 clearances per game, while blocking 0.1 shots per game.