Sione Tuipulotu
McDowall starts in place of injured Tuipulotu at centre for Scotland against Italy
Scotland handed major boost as record try scorer Van der Merwe returns to training
Scotland captain Sione Tuipulotu ruled out of Six Nations after training injury
Australian-born Tuipulotu leads Scotland to win over in-form Wallabies
Scotland captain Tuipolotu to receive a special guest ahead of Australia match on Saturday
Scotland bring back big guns for US test in Washington DC
Scotland centre Sione Tuipulotu won't dwell on Tongan roots