Losing to the team 13th in English football's third tier represents a new low in Burnley's season just as renewed optimism was starting to creep in.

Burnley's remarkable 3-2 come-from-behind win at Crystal Palace on Wednesday was their first victory in 16 Premier League games. The gloom started to lift slightly.

Parker's side showed real fight and spirit at Selhurst Park, which made his decision to make nine changes to his team for the visit of Mansfield all the more baffling.

"When you don't go through to the next round there will always be questions asked about that [team selection] but I don't think that was the main factor today," Parker told BBC Sport.

"We lacked a little something in those final moments. That was where we have fallen way short today."

Burnley are not the first, nor will they be the last, Premier League side to ring the changes for a cup game against lower opposition.

But having been dumped out of the League Cup by Cardiff City back in September, the FA Cup was the supporters' only chance to distract themselves from looming relegation.

"It is embarrassing, the changes...