Celta joined Madrid and Barcelona on 18 points at the top of La Liga when Nolito pounced with a late winner to secure a 2-1 victory at 10-man Villarreal.
McClean been described by his own manager as "not the sharpest tool in the box" after he triggered a pitch melee following 1-0 home win against Sunderland.
There have been players who sometimes are terrific but sometimes awfully bad. Here are the ten players who are the most inconsistent players in football.
Manchester City striker Wilfried Bony, who has struggled since moving to the club in January, has confirmed he contracted malaria during the close season.
AS Roma's Daniele De Rossi celebrated his 500th appearance for the club with a goal in their 3-1 win over Empoli as they moved up to 2nd place in Serie A.
First half goals handed Ajax a 2-0 away win at fellow frontrunners Heracles Almelo on Saturday and a two-point advantage at the top of the Dutch league.