Speaking on SEN Radio, Roos said the club has discussed the prospect of signing Hibberd.
However, the premiership coach said he is unaware how far negotiations have progressed.
“Have we discussed Michael (Hibberd)? Yes we have, I don’t know at what level it has got too though,” Roos said.
Hibberd, 26, has played 84 career matches with the Bombers since being selected with pick No.4 in the 2011 Pre-Season Draft.