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IS THE Hawthorn bubble about to burst? All 11 of our tipsters are picking Greater Western Sydney to claim the points at their Canberra home and put a huge dent in the Hawks' finals aspirations.

And despite sitting a game-and-a-half clear on top of the ladder, Sydney's recent form slump is expected to continue with a loss to Port Adelaide. 

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The hot Dogs are predicted to extend their winning streak, and will Scott Pendlebury be celebrating or commiserating at the end of the Pies-Blues clash?

Check out all the R21 tips below, and don't forget to make your own call via the Official AFL Tipping App or, thanks to crypto.com, simply tap here and register your tips. The Official AFL Tipping App is free in the Apple App Store and Google Play Store.

DAMIAN BARRETT

Western Bulldogs - nine points
Gold Coast
North Melbourne
Geelong
Carlton
Sydney
Greater Western Sydney
Fremantle
Brisbane

Last week: 6
Total: 115

CALLUM TWOMEY

Western Bulldogs - 23 points
Gold Coast
North Melbourne
Geelong
Carlton
Port Adelaide
Greater Western Sydney
Fremantle
Brisbane

Last week: 5
Total: 113

MATTHEW LLOYD

Western Bulldogs - 21 points
Gold Coast
North Melbourne
Geelong
Carlton
Sydney
Greater Western Sydney
Fremantle
Brisbane

Last week: 7
Total: 111

JOSH GABELICH

Western Bulldogs - 29 points
Gold Coast
Richmond
Geelong
Carlton
Sydney
Greater Western Sydney
Fremantle
Brisbane

Last week: 5
Total: 110

MICHAEL WHITING

Western Bulldogs - 20 points
Gold Coast
North Melbourne
Geelong
Carlton
Port Adelaide
Greater Western Sydney
Fremantle
Brisbane

Last week: 5
Total: 110

SARAH BLACK

Western Bulldogs - 22 points
Gold Coast
North Melbourne
Geelong
Carlton
Port Adelaide
Greater Western Sydney
Fremantle
Brisbane

Last week: 4
Total: 109

KANE CORNES

Western Bulldogs - 22 points
Gold Coast
North Melbourne
Geelong
Carlton
Port Adelaide
Greater Western Sydney
Fremantle
Brisbane

Last week: 4
Total: 108

NAT EDWARDS

Western Bulldogs - 22 points
Gold Coast
North Melbourne
Geelong
Carlton
Sydney
Greater Western Sydney
Fremantle
Brisbane

Last week: 6
Total: 108

SARAH OLLE

Western Bulldogs - 22 points
Gold Coast
North Melbourne
Geelong
Carlton
Sydney
Greater Western Sydney
Fremantle
Brisbane

Last week: 5
Total: 108

RILEY BEVERIDGE

Western Bulldogs - 16 points
Gold Coast
North Melbourne
Geelong
Collingwood
Port Adelaide
Greater Western Sydney
Fremantle
Brisbane

Last week: 5
Total: 104

NATHAN SCHMOOK

Western Bulldogs - 22 points
West Coast
North Melbourne
Geelong
Carlton
Port Adelaide
Greater Western Sydney
Fremantle
Brisbane

Last week: 5
Total: 102

TOTALS

Western Bulldogs 11-0 Melbourne
West Coast 1-10 Gold Coast
North Melbourne 10-1 Richmond
Geelong 11-0 Adelaide
Collingwood 1-10 Carlton
Port Adelaide 6-5 Sydney
Greater Western Sydney 11-0 Hawthorn
Essendon 0-11 Fremantle
St Kilda 0-11 Brisbane