The Gunners are in third place in the Premier League table and five points behind leaders Leicester City.
Arsene Wenger’s side suffered a 3-2 defeat by a weakened Manchester United side at Old Trafford on Sunday afternoon.
Arsenal are bidding to win their first Premier League title since 2004 but also trail second-placed Tottenham Hotspur by three points.
Former Chelsea midfielder Nevin questioned how Arsenal conspired to lose to Van Gaal’s under-strength United side on Sunday.
“Everything was there for them: a weakened United side, a lot of kids and centre-halves that shouldn’t be centre-halves,” Nevin told Newstalk.
“They don’t look like winning the league. It is a case of same old same old Arsenal.”
Arsenal host Swansea City in the Premier League on Wednesday night as Wenger’s side look to end a three-game losing run.
The Gunners played out a stalemate with Championship side Hull City in the FA Cup fifth round.
Arsenal lost 2-0 to Barcelona in the first leg of their Champions League last-16 clash last Tuesday.
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