Grassi is one of Ambrì's homegrown talents and made his NLA debut for their first team during the 2010-11 season. Since then, he has played a total of 191 games for the Biancoblù, scoring 37 points (19 goals, 18 assists).
This season thus far, Grassi has apperead in 30 NLA games for Ambri and managed to put up four goals and three assists. Earlier this month, Grassi told HeShootsHeScores that he had started contract negotiations with Ambrì. However, those were obviously not fruitful and Grassi will leave his youth team in spring. (bsc)