 Kọ itẹsiwaju fun paragirafi yii - Rousseau ti jẹ apakan ti awọn sweep itan meji ti awọn podiums medal lori irin-ajo 2008-09 FIS Freestyle Ski World Cup pẹlu Alexandre Bilodeau ati Vincent Marquis. Pierre-Alexandre Rousseau je oludije agbaye ni 2007 Freestyle Ski World Championships ninu idije moguls. Rousseau tun gba ife fadaka ninu idije moguls ti ife ẹyẹ agbaye 2001 : nílùú Blackcomb. 