Fremantle midfielder Bradley Hill is in doubt for Round 1 after scans confirmed the 24-year-old suffered a grade one quad strain in his right leg.
Hill, who won the Doig Medal last season as the Dockers' best and fairest, injured his leg at training on Wednesday and didn't finish the session.
Fremantle's general manager of football operations Chris Bond told the club's website Hill's chances of playing in the Dockers' opening round clash against Fremantle depends on how he recovers from the strain.
โBradleyโs availability for selection in round one will be determined by his progress while rehabilitating the injury,โ Bond told fremantlefc.com.au.
Hill played all 22 games in his first season with Fremantle, averaging 23.6 disposals, 6.3 marks and 3.9 inside 50s.