Mattaes Phillipou has agreed to another two years at St Kilda, keeping him in the club until the end of 2026.
The Pick 10 from the 2022 National Draft was one of only two remaining first-round selections not to have extended beyond the initial two-year contract, with Western Bulldogs defender Jedd Busslinger yet to re-sign.
According toย AFL Media, Phillipou and the Saints have agreed to a two-year deal, which has yet to be confirmed by the club.
The South Australian has been impressive since joining St Kilda, missing one game since he debuted in Round 1, 2023.
Playing a hybrid half-forward midfield role, Phillipou has hit the scoreboard, slotting 13 goals in his debut year to go along with his 12.6 disposals and three marks.
The Saints can now cross the youngster off the important-signing list, with their attention turning to the restricted free agent and key defender Josh Battle, who is reportedly garnering interest from rival clubs.
Veterans Tim Membrey, Seb Ross, Tom Campbell, Jimmy Webster and pre-season recruit Riley Bonner will be looking for new deals.
A host of youngsters including Olli Hotton, Max Heath, Cooper Sharman, Ryan Byrnes, James Van Es, Isaac Keeler and Jack Hayes hoping to do the same.
St Kilda fell to 14th on the ladder following their third consecutive loss to Port Adelaide on Friday night.
Despite an ominous start, Ross Lyon's men have wilted away since Round 2, with their only victory coming against an undermanned and inspired Richmond side during Gather Round.
They face North Melbourne next in what will be expected to get them back on the winner's list.