Husso, 22, has appeared in three games with the Rampage this season, posting a 2-1-0 record along with a 2.69 goals-against average and a .927 save percentage.
In 2016-17, the 6-foot-2, 205-pound goaltender logged a 13-6-0 mark, including a 2.37 goals-against average and a .920 save percentage, with the AHL's Chicago Wolves.
A native of Helsinki, Finland, Husso was originally drafted by the Blues in the fourth round (94th overall) of the 2014 NHL Entry Draft.