The first leg of their tie against Napoli left more reasons for Quique Setién to worry about. That is if you disregard the game's final score.

If Barcelona wants to silence those who criticize them for a lack of spirit in the past UEFA Champions League editions, now's the time to do so.

The Blaugrana side claimed a one-all draw against Napoli despite falling behind 1-0 before the break, but the main problems for Los Blaugranas came during the second half, and it could get even worse before they host Gattuso's men at Camp Nou on March 18.

The first problem for Setién came when Sergio Busquets was booked. The Spanish midfielder picked up a third yellow card and has been banned from the return leg. That could have gone by like old news, but Arturo Vidal lost his cool during the final moments of the game, and ref Felix Brych showed him two yellow cards in less than 10 seconds, sending him off.

Vidal's red card highlighted a major problem for Barcelona, according to a couple of tweets by stats expert Mister Chip.

"What are you doing, Arturo Vidal! You must have gone mad to fall into that game, when you know they want you to get a second booking. Barcelona will have 12 professional players available for the second leg. Dantesque!"

The Spanish analyst added one more tweet naming all the players that are available at the moment for Los Culés to prove his point.

"First team players (jerseys 1-25) available to play the second leg at Camp Nou."

But Barcelona's worries don't end there. As time expired, Gerard Piqué picked up what seems to be a nasty ankle injury, and he could also miss the return leg at Camp Nou. 

Luis Suárez and Ousmané Dembelé are out for the rest of the season. Jordi Alba and Sergi Roberti have just picked up injuries which make their return questionable, and new signing Martin Braithwaite is not allowed to play in the UEFA Champions League. See why this is the time for those that are available to prove themselves worthy of playing for the Spanish giants?