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Jack Riewoldt of the Tigers celebrates winning the round 18 AFL match between the Hawthorn Hawks and the Richmond Tigers at Melbourne Cricket Ground on July 31, 2015 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

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Trent Cotchin of the Tigers high-fives fans after winning the round 18 AFL match between the Hawthorn Hawks and the Richmond Tigers at Melbourne Cricket Ground on July 31, 2015 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

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Pearce Hanley of the Lions evades Josh Caddy of the Cats during the round 18 AFL match between the Geelong Cats and the Brisbane Lions at Simonds Stadium on August 1, 2015 in Geelong, Australia. (Photo by Darrian Traynor/AFL Media/Getty Images)

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Josh Walker of the Cats marks the ball during the round 18 AFL match between the Geelong Cats and the Brisbane Lions at Simonds Stadium on August 1, 2015 in Geelong, Australia. (Photo by Darrian Traynor/AFL Media/Getty Images)

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Travis Varcoe of the Magpies wears a tribute to Adam Goodes on his shoulder during the round 18 AFL match between the Collingwood Magpies and the Melbourne Demons at Melbourne Cricket Ground on August 1, 2015 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

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Jeremy Howe of the Demons is congratulated by Angus Brayshaw and Daniel Cross after kicking a goal during the round 18 AFL match between the Collingwood Magpies and the Melbourne Demons at Melbourne Cricket Ground on August 1, 2015 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

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Lewis Jetta of the Swans celebrates the first goal with Kieren Jack during the round 18 AFL match between the Sydney Swans and the Adelaide Crows at Sydney Cricket Ground on August 1, 2015 in Sydney, Australia. (Photo by Matt King/AFL Media/Getty Images)

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Swans fans celebrate winning the round 18 AFL match between the Sydney Swans and the Adelaide Crows at Sydney Cricket Ground on August 1, 2015 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images)

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Jarrad Waite of the Kangaroos marks the ball against Sam Docherty of the Blues during the round 18 AFL match between the Carlton Blues and the North Melbourne Kangaroos at Etihad Stadium on August 1, 2015 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)

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Lindsay Thomas of the Kangaroos celebrates a goal and points to his Aboriginal Flag tattoo during the round 18 AFL match between the Carlton Blues and the North Melbourne Kangaroos at Etihad Stadium on August 1, 2015 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)

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Tom Nicholls of the Suns competes for the ball against Nic Naitanui of the Eagles during the round 18 AFL match between the Gold Coast Suns and the West Coast Eagles at Metricon Stadium on August 1, 2015 in Gold Coast, Australia. (Photo by Matt Roberts/AFL Media/Getty Images)

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Dom Sheed of the Eagles marks during the round 18 AFL match between the Gold Coast Suns and the West Coast Eagles at Metricon Stadium on August 1, 2015 in Gold Coast, Australia. (Photo by Matt Roberts/AFL Media/Getty Images)

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Sam Gray of the Power during the round 18 AFL match between the Port Adelaide Power and the St Kilda Saints at Adelaide Oval on August 2, 2015 in Adelaide, Australia. (Photo by David Mariuz/Getty Images)

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Josh Bruce of the Saints flies with Jack Hombsch and Justin Westhoff of the Power during the 2015 AFL round 18 match between Port Adelaide Power and the St Kilda Saints at Adelaide Oval, Adelaide, Australia on August 2, 2015. (Photo by James Elsby/AFL Media/Getty Images)

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Lachie Hunter of the Bulldogs marks in front of Ariel Steinberg of the Bombers during the round 18 AFL match between the Essendon Bombers and the Western Bulldogs at Etihad Stadium on August 2, 2015 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

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Shane Biggs of the Bulldogs marks over the top of Jake Carlisle of the Bombers during the round 18 AFL match between the Essendon Bombers and the Western Bulldogs at Etihad Stadium on August 2, 2015 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

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Adam Tomlinson of the Giants goes for the mark during the round 18 AFL match between the Fremantle Dockers and the Greater Western Sydney Giants at Domain Stadium on August 2, 2015 in Perth, Australia. (Photo by Will Russell/AFL Media/Getty Images)

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Luke McPharlin of the Dockers is tackled by Rory Lobb of the Giants during the round 18 AFL match between the Fremantle Dockers and the Greater Western Sydney Giants at Domain Stadium on August 2, 2015 in Perth, Australia. (Photo by Will Russell/AFL Media/Getty Images)