George Furbank joins Harlequins, promising synergy with Marcus Smith

• George Furbank has traded Northampton for Harlequins.
• Furbank and Marcus Smith are showing promising early signs of synergy.
• Marcus Smith is set to make his 200th appearance for Harlequins against Saracens.
• Furbank spent a decade with Northampton before joining Harlequins.
• The move to Harlequins is part of a strategic shift for Furbank.