"When it's such a massive club the situation we were in wasn't acceptable. The lads were obviously disappointed in their own performances and how everything went," he said.
Villa have won three of their last seven games, including a 2-0 win over Wycombe in their FA cup replay on Jan. 19.
The team remains rooted to the bottom of the Premier League table with 16 points, however, and have a fight on their hands to avoid relegation as they are eight points from safety with 13 games left to play.
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Remi Garde's men host ninth-placed Liverpool in the league on Sunday.
(Reporting by Shravanth Vijayakumar in Bengaluru; Editing by Hugh Lawson)
