BRISBANE midfielder Hugh McCluggage has been ruled out of Sunday's clash with Port Adelaide at Adelaide Oval with hamstring tightness.
The Power have also been forced into a very late change, with utility Dan Houston out with illness, replaced by midfield bull Sam Powell-Pepper.
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Ben Keays comes into the side for McCluggage.
Losing McCluggage, who is averaging 22.9 disposals per game, is a huge blow for the Lions, who are already without key forward Eric Hipwood (knee) and veteran Luke Hodge (managed).
Power ruckman Scott Lycett has been cleared to play after passing a fitness test on his injured knee.
Port Adelaide v Brisbane at Adelaide Oval, 4.10pm ACST
LATE CHANGES
Port Adelaide: Dan Houston (illness) replaced in selected side by Sam Powell-Pepper
Brisbane: Hugh McCluggage (hamstring tightness) replaced in selected side by Ben Keays
FINAL INTERCHANGES
Port Adelaide: Sam Powell-Pepper, Steven Motlop, Tom Rockliff, Dougal Howard
Brisbane: Ben Keays, Allen Christensen, Alex Witherden, Zac Bailey
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Western Bulldogs v Melbourne at Marvel Stadium, 3.20pm AEST
NO LATE CHANGES
FINAL INTERCHANGES
Western Bulldogs: Toby McLean, Tory Dickson, Bailey Williams, Roarke Smith
Melbourne: Angus Brayshaw, Alex Neal-Bullen, Neville Jetta, Kyle Dunkley
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Richmond v Greater Western Sydney at the MCG, 1.10pm AEST
NO LATE CHANGES
FINAL INTERCHANGES
Richmond: Daniel Rioli, Shai Bolton, Mabior Chol, Derek Eggmolesse-Smith
Greater Western Sydney: Jacob Hopper, Matt Buntine, Ian Hill, Adam Kennedy