The season of veteran Swan Josh Kennedy is on tenterhooks following reports that the 34-year-old has sustained his second hamstring setback for the year.

After being selected to line up for Sydney's VFL side during their Sunday morning clash against North Melbourne at Arden Street, Kennedy left the field early on in the clash whilst clutching his left hamstring.

The latest setback comes after the triple All-Australian injured his right tendon during Sydney's Round 10 defeat to Carlton at Marvel Stadium in May.

While early reports from 7News' Mitch Cleary have suggested that the ex-captain has been hampered with a complaint on his opposite leg, the severity of the injury is not yet known.

Kennedy has laced the boots at senior level just once since exiting the loss to Carlton and has largely been forced to bide his time at reserves level in the lead into finals.

With Sydney's home-and-away campaign containing just three more fixtures ahead of September, Kennedy is in a race against the clock to make an impact at the business end of the season.

Kennedy remains without a contract at Moore Park for the 2023 season, with the veteran's career now appearing to be at an unwelcome crossroads.

The former Hawk has won three Bob Skilton Medals since swapping Waverley for the Harbour City ahead of the 2010 season.

Kennedy's gallant efforts across the course of a 2016 finals campaign that ultimately ended in grand final agony were enough to see him crowned the Gary Ayres medallist as the best player across the month of September.

The hard-nosed midfielder has pulled on the club's colours on 276 occasions, seeing him sit sixth in Sydney/South Melbourne's all-time games record list.

Sydney's AFL side is set to face North Melbourne at Marvel Stadium later on Saturday afternoon, with the opening bounce scheduled for 1:10 pm (AEST).