These four loan players have taken no time at all to settle in to their new surroundings, including stars at Hull City and Watford.
Watford reportedly want to tie up a permanent move for M'Baye Niang already, amid interest from West Ham United.
Watford and West Ham United saw a number of players come and go in the January transfer window.
Just one of the top three players is still available to West Ham going into the final days of the window.
The Milan loanee will be hoping to make a big impression during his time at Vicarage Road.
The young attacker is set to sign for Watford for the rest of the season.
Watford may be closing in on the young French attacker.
West Ham United have landed two players during this window, but who else do the fans want to come in?
Liverpool and West Ham United are reportedly making moves for M'Baye Niang.
AC Milan reportedly want £13million for West Ham United target M'Baye Niang.