Williams suffered a knee to the head during the win over the
He is expected to start at inside centre against the
Stormers as the Blues look to keep their playoffs hopes alive in the hugely
The Blues lost two players for the
Manu left the field early with a calf problem, while West strained his ankle when he came on as a substitute for Piers Francis, who was injured in the first half.
Manu has been replaced by Sione Mafileo, with Bryn Gatland, the son of British and Irish Lions coach Warren Gatland, rejoining the Blues as a replacement for West.
Francis was considered fit enough to travel with the squad.