Allardyce signalled his intention to make it a busy transfer window and West Brom did just that by signing five players.
The Senegal forward has scored 11 goals for Galatasaray this season.
West Brom are closing in on the signing of Mbaye Diagne after they reached an agreement with Galatasaray.
Diagne is one of the most prolific forwards in the Turkish top flight and could help West Brom avoid the drop.
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