Collingwood have booted seven goals in the final quarter to defeat Fremantle at Joondalup by 27-points.
In the first hit out of the season for both teams hot conditions at bounce down of around 37 degrees meant the AFL have to invoke their heat policy.
The Dockers led by six-points at the final change but couldn't hold off the Pies storming home with the breeze 17.9.111 to 12.12.84.
Brennan Cox booted three goals for the home side and Brandon Matera two.
Bradley Hill collected 28-disposals and was the side's best ball winner while Andrew Brayshaw had 25-possessions and Ed Langdon 23.
Fremantle now face West Coast on Sunday in Mandurah.
IMAGE: Fremantle FC Twitter