Since Alba has returned, I haven't seen anything from Bob to suggest he should be a starter.
Good game vs Getafe but that was about it. He plays like what a squad player does, decent for filling in but that's it. He's pretty much hit his ceiling already, he has some good attributes but for the most part, he's not outstanding just middle of the road standard.
When he first started playing RB, he seemed exciting but once he gained experience he eventually just hit the ceiling and that was pretty much it. He turned out to be like I said a solid squad player, much better than the likes of Douglas at RB, or Montoya who was about as unremarkable as they come and Aleix Vidal but that's about it.
Nothing wrong with that, and Roberto hasn't struck me as a guy that would raise hell for not being a starter like some guys would.