COLLINGWOOD and Port Adelaide will go into Friday night's clash at Marvel Stadium with unchanged line-ups.

The Magpies made two changes when the sides were released on Thursday evening, with key forward Mason Cox ruled out with an ankle injury.

FOLLOW IT LIVE Magpies v Power

Cox's absence allows Ben Reid to come in for his first game of the season and his first since round 10, 2018. 

Jamie Elliott (buttock) returns from a one-week break with veteran Travis Varcoe dropped for the second time this year.

Power star Robbie Gray (broken hand) will miss a month of football with midfielder Karl Amon winning the race to replace him ahead of former Geelong speedster Steven Motlop.

Collingwood v Port Adelaide at Marvel Stadium, 7.50pm AEST

NO LATE CHANGES

FINAL INTERCHANGES
Collingwood: Adam Treloar, Tom Langdon, Callum Brown, Will Hoskin-Elliott
Port Adelaide: Tom Rockliff, Karl Amon, Zak Butters, Darcy Byrne-Jones