By Tom Gott Chelsea head coach Mauricio Pochettino has insisted the Blues do not need to sell players before they buy new ones in the January transfer window. The Blues have spent incredibly heavily since the arrival of the BlueCo ownership group but have not seen that investment translate to success on the pitch, with their failure to qualify for this season’s Champions League handing an enormous blow to Chelsea’s bank balance. With Chelsea in the market for a new striker this month – Napoli’s Victor Osimhen and Brentford’s Ivan Toney are both expensive targets – many have speculated the Blue…