Nakia Cockatoo's comeback from a knee injury has been confirmed, with the dashing midfielder named on the wing in the VFL team to play Williamstown on Sunday.
It will be Cockatoo's first match since he injured his knee in the AFL win over West Coast on May 7.
A total of 13 AFL-listed players have been named in the squad to take on the Seagulls.
Timm House, from the Newtown-Chilwell Football Club, is the Cats' 23rd player.
The 23rd player rule is designed to enable clubs to promote young talent and provide them with a taste of VFL football to aid their development.
CATS TEAM
Backs: Ryan Gardner, Tom Stewart, James Parsons
Half-backs: Sam Menegola, Jed Bews, Ryan Williams
Centres: Jock Cornell, James Tsitas, Nakia Cockatoo
Half-forwards: Matthew Hayball, Jake Edwards, Josh Cowan
Forwards: Alex Hickey, Mitch Clark, Nathan Vardy
Followers: Padraig Lucey, Darcy Lang, Michael Luxford
Interchange: Ben Raidme, Will Sexton, Sam McLachlan, Sam Dobson, Marcus Thompson, Brenton Rees, Brant Haintz, Tom Atkins
23rd player: Timm House
The VFL Cats sit ninth on the ladder with four wins, five losses and a percentage of 119.21.
Williamstown is second with seven wins and two losses.
The Seagulls are the reigning VFL premiers. Last year they became the first standalone team to win the premiership since Port Melbourne in 2011.
It was Williamstown's first flag since 2003.
They are extremely well led by their premiership captain and club stalwart Ben Jolley, who has played almost 200 VFL games.
MATCH DETAILS
Date: Sunday, June 26
Venue: Burbank Oval, Morris St, Williamstown
Start time: 2pm
Admission prices: Cats members $5, adult non-members $10, concession $5, children under 15 free
The Williamstown footy club is promoting Sunday's game as a family day and there will be plenty of off-field entertainment for kids.