First impressions in football are crucial and a player's Premier League debut carries a lot of weight. Should a debutant play well, they will be instantly loved by the fans and relied upon by the manager. But should they play poorly they could be frozen out of the squad and taunted by their own supporters.
Unfortunately for Saul Niguez, his Chelsea debut will be a moment he will never forget - for all the wrong reasons. Fans branded his first-half performance for the Blues as 'garbage' and the manager subbed him off after just 45 minutes of action.