Santi Cazorla
Santi Cazorla says Arsenal have been left 'vulnerable' by injuries Getty

Santi Cazorla has expressed his frustration to IBTimes UK about Arsenal's injury crisis after his compatriot Mikel Arteta, along with Yaya Sanogo, were injured during the 2-0 Champions League victory over Borussia Dortmund on Wednesday 26 November.

Arteta has suffered numerous injuries since the beginning of the campaign, forcing him to miss five Premier League games out of the 12 matches played this season.

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Having sustained an ankle injury in August during the first leg of Arsenal's Champions League play-off with Beşiktaş, he had a calf problem in September.

Then at the start of November he was forced to leave the pitch during the Gunners' 3-3 draw against Anderlecht in the Champions League due to a hamstring injury.

Arteta missed the Premier League 2-1 defeat against Swansea but took advantage of the international break to recover in time for the defeat against Manchester United on Sunday 23 November.

But on Wednesday night, the 32-year-old midfielder was once again forced to leave the pitch in the second half after a recurrence of his calf problem.

When questioned about Arteta's injury after the game, Cazorla said to IBTimes UK: "Every day we have a new injury. It is really bad new for us.

"He is the captain and is a crucial player for us. He was sad after the game. He is eager to play and unfortunately he will be out for a while.

"He has to do scans but he believes is a problem in the soleus [the main muscle of the calf]. He has been hampered by the same injury lately and probably he will be out for action for some weeks."

Arteta joined the treatment table with other stars including Wojciech Szczesny, Danny Welbeck, David Ospina, Theo Walcott, Mathieu Debuchy, Mesut Ozil and Jack Wilshere, who will be out of action three months after having surgery.

Cazorla admits there is not explanation for it. He said: "Nobody understands what happen.

"It is a very strange case. Every year is the same and this prevents Arsenal to have all their potential. I don't know the solution but we hope to change the bad luck in the future."