Centre-back Michael was forced off at half-time in our last outing against Fulham on March 17, a slight muscle injury that denied him the chance to join up with the England squad after he was recalled by Roy Hodgson.
Aaron had to sit out the Fulham match through injury and that ruled him out of international duty as well.
"Michael trained fully today with the team and gave a positive response," reported Andre after training on Thursday.
"Aaron trained fully with the team for the last two days, so they are in contention to come back. Aaron has been excellent for us and it's good to have him back."
Further good news sees Younes Kaboul stepping up his training on his return from a long-term knee injury. "Younes has trained with the team, so let's see how he reacts," added Andre.