AVB was sacked in midseason and replaced by first team coach Tim Sherwood.
"It wasn't an easy start. The team had many additions. There were eight new players comparing with last season's squad and the team and Villas-Boas suffered that adaptation. He did what he could but the team didn't get the results we needed," Soldado told Onda Cero.
"After that adaptation period the team has started to play much better and now we are just six points away from our goal. This month is going to be crucial because we have direct clashes to get it."
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