Check out the best photos from Thursday's training session at Arden St Oval, as the Roos prepare to take on the Cats.
Ben Brown warms up.
Tarryn Thomas.
Shaun Higgins on the run.
Ben Brown.
Paul Ahern.
Trent Dumont.
Luke Davies-Uniacke.
Jy Simpkin gets a hold of Kayne Turner.
But Turner has the last laugh.
Kayne Turner.
Todd Goldstein.
Tristan Xerri and Sam Durdin.
Goldstein handballs.