Riggio made his debut for North Melbourne in the opening round of the 2007 AFL season, but after also playing the following week, he wasn't selected again until Round 8 of the 2008 season. He played seven consecutive games in 2008 before again being dropped for round 15, playing out the remainder of the season with the Kangaroos' Victorian Football League (VFL) affiliated team, the Werribee Tigers.[3]
Continues to be a dominant midfielder in the WAFL for Swan Districts and has represented WA in state football. Riggio won the Swan Medal for the fairest and best player at the club in 2015 and 2016.[4]