article_snippet: Roy Keane oversaw another disappointing performance and result in United's 2-1 FA Cup defeat by Arsenal at Old Trafford on Monday night.
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  Van Gaal came under more criticism for another lacklustre display in the 2-1 FA Cup defeat by Arsenal at Old Trafford .
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  Van Gaal is going to get criticised, you'd expect that,' Roy Keane said during United'
  Van Gaal BBC Match of the Day analysis. '
highlights_snippet: Roy Keane as United'
  Van Gaal oversaw another poor performance in the 2-1 defeat by Arsenal .
  
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  Van Gaal walks out of Man Utd press conference on a sour note .
  