STAR Adelaide midfielder Rory Sloane is upbeat about his chances of playing in Friday night's blockbuster against Sydney.

Sloane revealed he tweaked an existing knee injury in the third quarter of Saturday night's win over Essendon at Etihad Stadium.

The incident forced him from the field, but he returned and played out the match.

Captain Taylor Walker also hurt an ankle in the game and the Crows are hopeful two of their most important players will be ready for the Swans clash.

"I had a few concerned family and friends who all thought I might have broken the bottom of my leg, but it's just the outside of my knee," Sloane told Channel Seven on Sunday.

"I've been dealing with a little injury for a little bit of time now and I just tweaked it again.

"I played out the last quarter pretty well ... I will certainly give myself every chance (to play against Sydney)."

Adelaide will seal the minor premiership with one more win, while the Swans are only four points away from improbably breaking into the top four.