Aston Villa missed the chance to move level on points with Premier League leaders Liverpool after being held nil-nil at Everton.
The visitors had a goal controversially ruled out for offside in the build-up following a lengthy V-A-R review in the first half.
Watford are up to eighth in the Championship, after winning 2-1 at second-from-bottom QPR.
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Jake Livermore scored twice to help his side move to within a point of the play-off spots and end a three-game run without league win.
QPR have now gone seven games without a victory in all competitions.
Nigeria avoided a shock in their opening game at the Africa Cup of Nations after briefly trailing to draw 1-all against Equatorial Guinea.
