He frustrates, but there was a season (either Klopp's 2nd or 3rd last) when he played 12-13 games and brought a level of consistency and control that meant we went unbeaten. Fergie used to do this with the likes of Nicky Butt. Squad player who would come in for a 2-3 month spell, usually about now, and be an absolute lynchpin. Jones may be able to be more than that, but he should aim, as a minimum, to be that.