The former Manchester United midfielder was impressive on the night.
"Did I celebrate his goal? No," Raiola told the Gazzetta dello Sport. "I'm actually surprised by the general surprise
"Paul has some great ability and he just needs to play games in order to gain experience.
"Juventus believed in him and they are giving him the right conditions that he needs. But let's not get over-excited with the compliments because he still has a long way to go.
"Italian football needs to have more courage in focusing on youngsters," Raiola added. "It needs to be a strategic decision."