Sean Maitland and Blair Cowan out of Scotland’s squad to face Italy

• Injured London Irish duo to miss Six Nations match in Rome• Return of Harlequins wing Tim Visser boosts ScotlandThe London Irish duo Sean Maitland and Blair Cowan have pulled out of the Scotland squad for the Six Nations match with Italy.The wing Maitland missed the 27-23 defeat by Wales with a hamstring strain while the back-row Cowan lasted only 10 minutes in Cardiff after suffering a concussion shortly after making his introduction as a second-half replacement. Neither has recovered in time to face Italy in Rome on Saturday. Related: Six Nations verdict so far: England show promise but Wa…