AFL trades: Watts on his way to Port Adelaide

Lachie Weller of the Dockers is seen in action during the Round 14 AFL match between the Geelong Cats and the Fremantle Dockers at Simonds Stadium in Geelong, Sunday, June 25, 2017. (AAP Image/Julian Smith) NO ARCHIVING, EDITORIAL USE ONLY .

Sport. AFL, Greater Western Sydney vs Port Adelaide at Manuka Oval. Port Adelaide player Brendon Ah Chee and Greater Western Sydney player Zac Williams. 17 April 2016. Canberra Times photo by Jeffrey Chan.

Jack Watts of the Demons (left) and Jared Polec of the Power contest during the Round 18 AFL match between the Melbourne Demons and the Port Adelaide Power at MCG in Melbourne, Saturday, July 22, 2017. (AAP Image/Julian Smith) NO ARCHIVING, EDITORIAL USE ONLY