Port Adelaide champion Chad Cornes is set to end months of speculation about his future with the Power and announce his retirement.

The 31 year old is expected to make the annoucement at a press conference this afternoon.

Meanwhile several Power players still remain in doubt for this weeks match against Collingwood.

Jay Schulz, Tom Logan and Troy Chaplin are all suffering from the same foot injury while Jackson Trengove has a sore knee.
 

Photo:Getty/Getty Images Sport/Photographer: Morne de Klerk/Stringer