In
Luke Ayling (loan, Leeds United)
Finn Azaz (£2.5m, Aston Villa)
Luke Thomas (loan, Leicester City)
Matthew Hoppe (end of loan, San Jose Earthquakes)
Out
Hayden Coulson (loan, Blackpool)
Morgan Rogers (£8m, Aston Villa)
Calum Kavanagh (undisclosed, Bradford City)
Matt Crooks (£850,000, Real Salt Lake)
Middlesbrough total spent to date: £2.5m
Middlesbrough total received to date: £8.9m
Middlesbrough net transfer balance: £6.4m