Midfielder Myles Peart-Harris is nearing a four-year deal with Middlesbrough after becoming a free agent.
The 23-year-old previously played for Oxford United, where he recorded three goals in 19 appearances.
Leicester City and Queens Park Rangers have also been actively scouting the former Chelsea academy talent.
Peart-Harris brings experience from the Premier League and previous loan spells at Portsmouth and Swansea City.