Leo Castledine is a 21-year-old professional football player from ENG. He currently plays for Middlesbrough, wearing the number 23 shirt. At the international level, he represents England U18. He plays primarily as a Midfield. He stands at 175cm tall and weighs 68kg. His current market value is estimated at 1.1M .

His most recent move was a Free from Chelsea U21 to Middlesbrough on 2026-01-09. The reported fee was 2.4M €.

Across 3 appearances in the English Football League Championship 2025-2026, Leo Castledine registered 0 goals and 0 assists, while completing 1 key passes out of 37 total passes with a passing accuracy of 10.7.