The Demon sustained the injury during his side’s win over the Western Bulldogs last Sunday and spent much of the final term on the bench.
Watts left training today, not able to get through the entire session. Earlier Coach Simon Goodwin stated that hopes were high for Watts and that he should make the trip over to Perth.
Now it seems unlikely he will go, adding to the pain of losing Nathan Jones earlier in the week.
On a happier note for Demons’ fans, Max Gawn is expected to make his return against the Eagles.
The key forward did not appear at the club’s training session, with the injury rumoured to be a dislocated finger.
It will come as a disappointment to Hooker, who kicked five goals against Port Adelaide before the Bombers’ bye.