Sam Docherty close to making inspirational AFL return for Carlton following cancer battle

Carlton says Sam Docherty is «still a chance» to play in round one of the AFL season, with the former Blues co-captain making significant progress after undergoing chemotherapy last year to treat testicular cancer for the second time.

Docherty had 12 weeks of chemotherapy after a recurrence of testicular cancer was found last August.

He stepped down as Blues co-captain last month to focus on his recovery.

The 28-year-old may play in the Blues' preseason match against Melbourne on Thursday week.

Beyond the preseason, senior Blues assistant coach Ash Hansen said Docherty could be available for the opening-round match against Richmond on March 17.

«He's ahead of where we expected him to be, and maybe that contributed to a little calf [injury] he suffered, but he's responded well from that and is still a chance for round one,» Hansen said.

«It would be a huge spiritual boost and such a great storyline for the playing group because they really want to connect with him again on the footy field.»

Last October, Sam Docherty gave an up update on his battle with testicular cancer as a number of AFL players shave their heads in support of the Blues stalwart.

Hansen said the Blues squad had been inspired by Docherty.

«It certainly gives you a sense of gratitude for your own health and puts into perspective footy in general when a player like him has gone through so much,» he said.

Coleman medallist Harry McKay is the latest Blues star to be added to the club's injury list, with the key forward in doubt to face the Tigers in the first round.

McKay is struggling with a foot injury, joining best-and-fairest winner Sam Walsh (ankle) on the sidelines.

«This time of year you certainly have an individualised approached to everyone's program with the