Collingwood is set to properly unveil their final pick in the 2020 draft Beau McCreery a week after making his unofficial 'debut', except this time he will be picked in the starting 22.

McCreery was an unused medical substitute last week in Collingwood's loss to Brisbane which technically does not count as a game played.

But this week he will be given the opportunity to strut his stuff on the big stage when Collingwood take on GWS at the MCG on Saturday night.

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Finlay Macrae, Darcy Cameron, Levi Greenwood and Trey Ruscoe all appear to be pushing for a spot in the side but coach Nathan Buckley has ruled out wholesale changes.

"When you lose the game by a point, you've obviously done enough right to be in the game for a long time and we were ahead on the scoreboard for most of the match," Buckley told reporters.

"We're pretty confident with the team we went in with last week, whether it remains the same, we'll finish selection this afternoon."

Collingwood's last-minute loss to Brisbane last Thursday night has drawn them back with a number of teams at one win and two losses, but they take on a Giants team who are vulnerable and wounded.

The Giants will be missing captain Stephen Coniglio, Matt De Boer and Phil Davis, who all suffered injuries in their loss to Melbourne on Sunday night.