Pettigrew returns to the side after one week with West Adelaide in the SANFL. He comes in at the expense of rookie-elevation Danny Meyer. The Power welcomes back Cornes after five weeks on the sidelines following knee surgery.
Meyer will be the travelling emergency.
The Power’s final 22 to face Melbourne, as named at 4.30pm on Friday, is as follows:
B: Alipate Carlile, Toby Thurstans, Jacob Surjan
HB:Nathan Krakouer, Chad Cornes, Peter Burgoyne
C: Steven Salopek, Dom Cassisi, Tom Logan
HF: Robert Gray, Warren Tredrea, David Rodan
F: Brett Ebert, Brendon Lade, Justin Westhoff
R: Dean Brogan, Kane Cornes, Danyle Pearce
Interchange: Josh Carr, Jason Davenport, Paul Stewart, Michael Pettigrew
Emergencies: Matthew Broadbent, Matthew Westhoff, Danny Meyer
IN: C. Cornes, Pettigrew
OUT: Troy Chaplin (suspended), Meyer (omitted)