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.
1. Barnsley
Following the loss of Keiffer Moore to Wigan for £4m, a new striker would strengthen the squad. Photo: George Wood
2. Birmingham City
With Jota and Che Adams leaving in the summer, some more inspiration in the final third to provide a spark would be welcomed. Whether that be striker or attacking midfielder. Photo: Catherine Ivill
3. Blackburn Rovers
A new goalkeeper would allow youngster Andrew Fisher to go out on loan to L1 or L2 club to gain valuable experience. Photo: Mark Runnacles
4. Brentford
After losing Neal Mapauy in big-money move the Bees are in need of a striker. Been linked with Charlton's Lyle Taylor. Photo: Ker Robertson