With Amrabat and Adlene Guedioura now off to the African Nations Cup, the Hornets' skeletal squad needs reinforcements, though Mazzarri's faith remains with his current players.
"The problem is that the January transfer market is not very easy," he stated.
"In 15 years of my (managerial) career I haven't had all these injuries in one season but we've got enough experience to get back and improve in the table.
"We will see what players come back and when they will come back. The important thing is also to get all the injured players back and recovered."
"Since the total emergency we're in I took total responsibility for making Behrami play and we as a team all need players like him that will go on the pitch no matter what, and he gave a big contribution to the team," he added.
"Of course it was a gamble, it was my gamble and my decision, but this is something I had to do because we are in a total emergency."
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