His dad played 1 game for them or something.
Yep one game for the Blues in 1975 against Fitzroy at the Junction Oval.
http://stats.rleague.com/afl/stats/players/W/Wayne_Deledio.htmlWayne Deledio, at 186cm and 86 kilos, and wearing #22 on his back, played his only game at VFL / AFL level with Carlton in Season 1975. Deledio headed to VFA club Brunswick for the start of the 1977 season. He was recruited from Dunolly. He is the brother of Ron Deledio and the father of Richmond's Brett Deledio. In 2004, his son Brett would be a #1 Draft Pick for Richmond.
Brett's uncle Ron Deledio was also at Carlton at the same time as Brett's dad but only played ressies.
http://www.blueseum.org/tiki-index.php?page=Wayne+DeledioAnd a pic of Brett's dad when playing for Avoca