Nicol was speaking after Downing's superb performance in victory over Fulham.
‚ÄúSometimes some players are just not capable of playing at the top level,‚ÄĚ he told talkSPORT. ‚ÄúAs much as I‚Äôve given him praise over the last couple of weeks, maybe he‚Äôs not up to it.
‚ÄúBrendan Rodgers was one minute saying he‚Äôs going to move on, the next thing is that he wants him to stay. Stewart has to step up and play consistently until the end of the season, if he does that then we‚Äôll see.‚ÄĚ