Middlesbrough midfielder Hayden Hackney has signed a new contract to remain with the club until the end of the 2026-27 season.
"He's a pleasure to work with. Hayden has come through the academy here and is a local lad," Carrick told the club's official website.
"It's a real bonus when you get someone like him.
"He's at the start of his journey and he has a lot of potential.
"We want to help him and develop him so he can be as good as he possibly can be."