Wood was one of 11 Kangaroos axed at the end of last season in the club’s list cleanout after finishing 17th on the ladder.
The versatile forward has booted 76 goals from 65 AFL games and was once considered one of the most promising young prospects in the league.
However, he fell out of favour in recent seasons, making just eight senior appearances in 2020.
According to Ryan, the Saints have vacant list spots they can use ahead of the March 9 closing of the Supplemental Selection Period.
After finishing sixth on the ladder at the end of the home and away season, Brett Ratten’s side defeated the Bulldogs in the elimination final before losing to eventual premiers Richmond the following week.