England pose the sternest test of U20's Grand Slam ambitions

Lorcan McLoughlin celebrates after scoring Ireland's third try during the Guinness U20 Six Nations Rugby Championship match against Italy at Musgrave Park. He will starts Saturday's round four clash against England at Twickenham

Grand Slams have been claimed, on average, once every second year since the U21 grade morphed into the existing U20 level but it is England who have taken the lion’s share.

Though they have claimed four out of the seven clean sweeps achieved in this tournament since 2008, it is the Irish visitors who are on course for the perfect campaign in 2022 as the sides face off at Saracens’ home ground this evening.