Adelaide could name a first-gamer for Saturday's clash with North Melbourne, with the Crows to potentially make two forced changes for Round 7.
Coach Matthew Nicks will be without midfielder Sam Berry due to a foot injury sustained in last week's defeat to Essendon, while veteran defender Brodie Smith is in doubt to make the trip to Hobart as he deals with a back issue.
Onballer Matt Crouch is expected to return after serving a one-game suspension, with the one-time All-Australian the likely replacement for Berry in Nicks' midfield group.
Smith will need to prove his fitness over the coming days, with Nicks wary of how the veteran pulled up from last week's loss and the travel to face North Melbourne.
"Sam Berry, unfortunately, won't get up, he won't train today. Brodie will attempt to train today and we'll see how he goes. I'd say Brodie is 50-50," Nicks told media on Wednesday.
"[The back injury] is the concern (for Smith). Probably looking back on it, it did hinder him slightly on the weekend. We'll make that decision together, today will be an indication of that. We'll see how he goes if he trains.
"There's also a travel factor to it. It is a short flight, but we'll make a call on what's best for the team and what's best for Brodie."
As for Smith's potential replacement, second-year Crow Billy Dowling was the first name that came to Nicks' mind, with the uncapped midfielder a chance to make his debut at Blundstone Arena.
Top draft selection Dan Curtin is also in the selection mix as Nicks looks to find a flexible balance in his senior side.
"There's a number of guys who are playing well," Nicks added.
"Billy Dowling is playing some good footy at SANFL level. Dan Curtin is nearly ready to go. We're enjoying what he's doing, he's being challenged, last week he played on one of the best forwards in the game. He continues to put his hand up.
"There are a number of others... (Elliott) Himmelberg. It may not be a like-for-like (replacement). We've got (Luke) Nankervis and (Chayce) Jones on the wing, who have both played back.
"Something that we're always working on is guys having multiple roles that they can move into. So if Smith's not there, then it may be something we do within the group."
The Crows will also monitor how Jordon Butts responds to the club's Wednesday training session as the key defender looks to return from a hamstring injury.
Lachie Murphy is less likely to make his return from a knee injury at AFL level this week, with Adelaide to weigh up whether to bring the half-froward back through the SANFL after several weeks on the sidelines.
The Crows will head to Tasmania ahead of Saturday's clash with the Kangaroos, which will take place at 1:45pm (AEST) at Blundstone Arena.
