West Ham United surely won’t be making one January signing in particular this month now. The January transfer window will be a vitally important one for West Ham, and one signing David Moyes definitely needs to make is the addition of a new forward. Hammers boss David Moyes is currently without Mohammed Kudus due to his participation at AFCON and the injured Michail Antonio. One forward we’ve been linked with signing this month is former Liverpool star Roberto Firmino, with the 32-year-old an apparent option for the East London club. The South American forward is an elite player, and to even b…