Has Everton boss Sam Allardyce just criticised Ashley Williams?

Ashley Williams of Everton celebrates after scoring his team's second goal during the Premier League match between Everton and Arsenal at Goodison Park on December 13, 2016 in Liverpool,...

Everton's Ashley Williams came under fire for his part in the Swans' opening goal.

Ashley Williams of Everton during the Premier League match between Everton and Burnley at Goodison Park on October 1, 2017 in Liverpool, England.

Everton boss Sam Allardyce has suggested to ESPN that centre-back Ashley Williams was at fault for the Toffees' opening goal in Monday's 3-1 win over Swansea at Goodison Park.

Allardyce's side came from behind to beat the South Wales outfit and move ninth in the Premier League table in the process.

Leroy Fer fired the visitors ahead from a corner on 35 minutes, with the veteran defender allowing the Dutchman to run off him en route to tapping home the opener.

Ashley Williams of Everton FC warms up prior to the UEFA Europa League group E match between Everton FC and Apollon Limassol at Goodison Park on September 28, 2017 in Liverpool, United...

And although the Everton manager did not specifically name Williams, Allardyce did suggest that it was a 'stupid' goal to concede.

He told ESPN: "Anyone watching would've seen we were below par. We were too negative in our passing and when that happens it encourages the opposition to try shut you down.

"We then conceded stupidly off a corner by not marking our man properly. One of our lads has let him [Fer] go and allowed him to get into the box to score."

Ashley Williams of Everton apeals during the UEFA Europa League Group E match between Everton FC and Olympique Lyon at Goodison Park on October 19, 2017 in Liverpool, United Kingdom.

Dominic Calvert-Lewin levelled up for the resurgent Toffees on the stroke of half time, tapping home the rebound after Lukasz Fabianski saved Wayne Rooney's penalty.

Gylfi Sigurdsson then fired the hosts ahead with an exceptional curling effort in the second period, before Rooney rectified his earlier mistake and added a third from the penalty spot.

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