As the midfielder looked visibly upset while making his way off the pitch, players from both sides offered their support and it is clear the hope is that his luck will change in the very near future.
Speaking to official broadcasters after the game, Amorim also disclosed that Noussair Mazraoui, who was replaced in the second half, is also a fitness worry heading into Thursday night's Carabao Cup quarter-final at Tottenham.
When asked why he headed for the tunnel on the final whistle, Ruben replied: "It's more the problem with Mason and Nous. You think right away, you go in the tunnel and think right away because we have a lot of games, you know.