Middlesbrough boss Neil Warnock will be keen to add more faces to his squad this month.
The club have already brought in goalkeeper Jordan Archer, as well as tying Duncan Watmore down to a new deal at the Riverside.
How good is your knowledge of previous transfer windows though?
According to Transfermarkt – did Boro sign each of these 14 players for more than £1million, or less?
Have a go at our quiz and see if you can get full marks?