Byrne and Crowley preferred as back-ups to Sexton Farrell leaves door open for those excluded to step up Robbie Henshaw and Joey Carbery have been left out of Irelands 37-man squad for the Six Nations but there is a place for the uncapped Leinster back Jamie Osborne. Centre Henshaw has endured an injury-hit season and is idelined with a wrist problem while Ross Byrne and Jack Crowley have been selected ahead of Carbery as
