"We've dragged ourselves round since our loss at the Blues, we're setting targets and getting better," he said.
"Glasgow will offer a different type of threat to the Scarlets and we hope that they come to play rugby."
The west Wales side will wait on the fitness of Adrian Cashmore (back) and Andy Lloyd (head).
Club captain Barry Williams (back), Paul James (back), Lee Beach (broken foot), Brent Cockbain (hamstring), David Bishop (knee) and Ryan Jones (shoulder) remain long-term Osprey injuries.