Ireland got their rugby world cup underway with an impressive win over Scotland.
On Thursday, USA face England in their opening group game.
There is plenty of Irish interest in the USA Camp including Attack coach Greg McWilliams.
Greg spoke to Kevin McDermott on Sportbeat from the teams base in Japan.
They talked about how he found himself working with the USA national team, his Leitrim links and his hopes for the tournament.
Take a listen to their fascinating conversation here: