Crystal Palace boss Neil Warnock refused to blame Watson's penalty miss for his side's defeat.
QPR's defeat leaves Neil Warnock's side still contemplating the mathematical possibility of relegation.
Relegation appeared to be the only route out of the Championship when Neil Warnock took charge of Palace in October.
Guilfoyle said getting new owners in would have a big bearing on the Eagles' ability to keep Neil Warnock as manager.
But QPR boss Neil Warnock saw the home side outplay his men before the interval, creating several good chances to go ahead.
Neil Warnock and Peter Reid were also linked with the Leicester post.
The result was the perfect way for Neil Warnock's side to begin justifying their tag as one of the clubs tipped for promotion.
Hughes took over from Neil Warnock at QPR, successful helping the club avoid relegation in their first season back in the Premier League.
Palace have only one win in six games since Neil Warnock left for QPR on 1 March, to be replaced as manager by Paul Hart.
Neil Warnock's side piled more misery on City by knocking three more past Myhill after former Blade Uhlenbeek was red-carded for a bad foul after 56 minutes.
The former Crystal Palace player has had few opportunities since Neil Warnock arrived at Loftus Road, but said he was confident of making his mark under Charlton boss Phil Parkinson.
BBC: Charlton Athletic snap up QPR's Gary Borrowdale on loan
It was a bitter moment for Sheffield United manager Neil Warnock, whose club had looked safe for so long only to be dragged into what was ultimately a losing battle.
United piled on the pressure in the second half after manager Neil Warnock threw on two new strikers in an attempt to show more teeth - Asaba and Dutchman Ten Heuvel.
It was a stirring display from the Eagles, and manager Neil Warnock led his players, many of whom may be sold in the financial re-structuring, into the centre circle to acknowledge the supporters.
Neil Warnock had been linked with the Leicester post but he was recently installed as Crystal Palace boss, while former Wigan manager Paul Jewell is another who is believed to have been considered by Mandaric.
The two clubs had starkly contrasting preparations for the game with Villa basking in the build-up to that match, while Palace wait to discover the future of boss Neil Warnock, who has been strongly linked with Queens Park Rangers.
应用推荐