Craig Casey's yellow? Hard to take, admits Andy Farrell

HARD TO TAKE: Ireland's Craig Casey is sent to the sinbin. Pic: Niall Carson/PA Wire.

Andy Farrell has called for rugby’s laws around tackle heights to be cleaned up after admitting Craig Casey’s first-half yellow card for head-on-head contact was hard to take.

Ireland’s scrum-half was sent to the sin bin after a TMO check by Ian Tempest in the 32nd minute for foul play.