The defender appeared to be in an offside position when Alcaraz made contact but the linesman's flag stayed down.

BBC: Liverpool 1-1 Wigan

Striker Jawad Ouaddouch got a glancing header to a long range effort but looked to be in an offside position, setting off an invasion of officials and a fight between players.

BBC: Etoile edge closer to semis

Boruc could only palm out Ronaldo's vicious long-range free kick for Berbatov to turn in the rebound, but the Bulgarian appeared to be in an offside position when the ball was struck.

BBC: Man Utd 3-0 Celtic