Mack Hansen had recovered from a cut on his knee but the IRFU are set to confirm that the winger will be absent from Ireland's Murrayfield encounter with the Scots due to a training ground injury

Townsend has made three changes to his starting XV, with loosehead Rory Sutherland, back-rower Jack Dempsey and versatile back Tom Jordan replacing Pierre Schoeman, Jamie Ritchie and Stafford McDowall, all of whom drop to the bench.

Rugby’s Greatest Championship continues this weekend with matches at the Stadio Olimpico, Twickenham and Murrayfield.