The soft tissue injury continues a frustrating trend for the former Sydney hard nut,who was twice sidelined with minor hamstring ailments last year during his first season since being traded from the Swans.Jones finished sixth in St Kilda’s best and fairest last year,playing 16 of a possible 18 games.
Meanwhile,St Kilda youngster Ryan Byrnes is set for a delayed start to the season after suffering a serious hamstring tendon injury.
The Saints confirmed Byrnes will have surgery this week in a blow that is likely to sideline him for a couple of months.
Recruited from the Sandringham Dragons,Byrnes,19,played a single senior game for the Saints last year after being drafted at pick 52 in 2019.
St Kilda earlier this month announced he had extended his contract for an extra season,tying him to Moorabbin until the end of 2022.
Mature-age recruit Shaun McKernan underwent scans on Monday after rolling his ankle last week but was not listed in the club’s injury report on Tuesday.