West Ham United manager David Moyes has apparently opened talks to sign a lethal striker this month. David Moyes is reportedly keen to sign a proven striker for West Ham United in the January transfer window. One forward who is firmly on the radar of the Hammers is Serhou Guirassy, and it is believed that he has a release clause in his contract that means we’re able to sign him for around £15-17 million. Moyes currently has his entire first choice front-line unavailable for selection with Jarrod Bowen and Lucas Paqueta out injured and Mohammed Kudus away at AFCON with Ghana. In addition to tha…