Five things to look out for this weekend in the Betfred Challenge Cup

1) Navy set sail for Batley and history It's been a headline-grabbing run to the fourth round of the Challenge Cup for the Navy, who have overcome Bridgend Blue Bulls and York Acorn either side of an inter-Forces defeat of the Army to make this stage. They have equalled the record for the best run by a Forces team, after the Army did the same