The signing arrives just over 24 hours before the transfer window shuts. Boro fans will be hoping that there is another player or two coming in before 5pm on Thursday when it closes. But where is the priority? Click and scroll through to see which position and those of their league rivals.
5. Bristol City
Where to start? Lee Johnson says he needs five new players in. A centre-half to replace Adam Webster and a striker are a must while right back and midfield are also areas of concern. Photo: Alex Davidson
6. Cardiff City
Since a move for the brilliantly-named Le Havre striker Alimami Glory broke down they need options in the forward areas with a loan most likely. Photo: Stu Forster
7. Charlton Athletic
Anfernee Dijksteel has left to join Middlesbrough meaning a right-back is required. In addition, if Lyle Taylor leaves another striker will need to arrive. Photo: James Chance
8. Derby County
What more do you want after signing Wayne Rooney? Well, Philip Cocu is still in the market for others, namely a forward. Andre Ayew has been linked. Photo: DARREN STAPLES