
Osbourne, who is a product of the Aston Villa youth system, joined the Saddlers as a free agent early last month following his summer departure from Scunthorpe United.
Isaiah is understood to have picked up the injury during a training drill and will now miss the next few weeks as he seeks to return to full fitness, and force his way into the side.
Isaiah is understood to have picked up the injury during a training drill and will now miss the next few weeks as he seeks to return to full fitness, and force his way into the side.