COLLINGWOOD has lost veteran defender Simon Prestigiacomo on the eve of its round 18 blockbuster with arch rival with Carlton.

The Pies were forced to make the late change after Prestigiacomo felt soreness in his groins following training on Friday.

Young defender Nathan Brown has been called in to cover for his side’s most reliable backman.

Port Adelaide has also confirmed that midfielder Matt Thomas (corked calf) will be replaced by elevated rookie Danny Meyer for Saturday's match against Hawthorn.

Six other sides finalised their teams for Sunday’s matches, with defender Chris Tarrant headlining three inclusions at Fremantle.

David Mundy also returns, while Justin Bollenhagen will make his debut in the derby against the Eagles.

West Coast has brought in midfielder Tom Swift and Patrick McGinnity.

Phil Davis will have to wait at least another week to get back into Adelaide’s line-up, with coach Neil Craig opting for Chris Schmidt and Jack Gunston.

Graham Johncock (suspension) and Tony Armstrong are the players to go out for the clash with the Tigers at the MCG.

Richmond coach Damien Hardwick has made four changes, bringing in Kel Moore, Matt White and Will Thursfield while Daniel Jackson returns from suspension.

North Melbourne will unveil its fourth debutant in as many weeks against the Western Bulldogs.

Marcus White will play his first game for the Kangas, while Ryan Bastinac has been given a spell in the VFL after an impressive start to his career.

The Bulldogs have made just one change, with Liam Jones to play his first AFL match.