Wigan chairman Dave Whelan could face fresh disciplinary action after he referred to his old local Chinese restaurant as 'chingalings'
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Goals from Tom Lawrence and Alex Revell earned Rotherham their first win in 10 matches to pile the misery on fellow strugglers Wigan in the Sky Bet Championship.
The 2-1 result now leaves Wigan - one of the pre-season favourites for promotion - six points adrift of safety, extending their miserable run to one win in 17 matches.
Lawrence scored the opener for Steve Evans' Rotherham after a dreadful mistake by Andrew Taylor.
Wigan levelled just after the hour mark when Ben Watson headed home James McClean's corner.
But the visitors picked themselves off the canvas and regained the lead within a minute, Revell heading past Scott Carson from close range.
The FA has given Wigan chairman Dave Whelan an extra week to respond to his misconduct charge.
The 78-year-old last month allegedly made remarks about Chinese and Jewish people in response to criticism of the club's decision to appoint Malky Mackay as the Latics' new manager.
Whelan publicly apologised for the comments attributed to him in the Guardian and also suggested he may have been misquoted, yet was still charged by football's governing body.
The Wigan owner had until 6pm on Friday to respond to the charge, but the FA has now granted him a week's extension.
Following a request by Dave Whelan, The FA has granted him an extension to the date by which he had to reply to his misconduct charge...
...charge for media comments. The Wigan Athletic chairman now has until 6pm on Friday 12 December 2014 to respond to the charge.