Meanwhile, Lyon coach Gerard Houllier made an inquiry for Czech Republic international Baros on Friday.
BBC: SPORT | Football | My Club | Aston Villa | Villa secure Carew in Baros swap
The former Scotland international was described by Houllier as "my most inspirational signing" at Liverpool.
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Houllier added he was just as upset as the fans and could take the flak.
"I told the players we have eight Champions League games left to play, " said Houllier.
Another manager to lose his job was Liverpool's Gerard Houllier, whose reign ended after six years.
The 25-year-old, who played for Houllier at Liverpool, has one goal in 17 league appearances this season.
BBC: SPORT | Football | My Club | Aston Villa | Villa secure Carew in Baros swap
MacDonald confirmed that, despite Houllier's presence on Saturday, he has sole authority over team selection and tactics.
Reports have suggested new Villa boss Gerard Houllier is keen to employ the German player-coach as his assistant.
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Houllier paid tribute to Davies's character but added that competition for places had led to him moving on.
He arrived at the hearing at Bolton's Reebok Stadium with Liverpool manager Gerard Houllier after denying the charge.
Houllier also refused to use injuries and illness to key players as an excuse for the poor performance.
Houllier's side kept coming forward and edged ahead after 76 minutes when Delfouneso crossed for Young to head home.
"The hostility is completely new but I can live with that, " added Houllier.
With the Premier League table still very congested, Houllier feels it would not take much to change Villa's fortunes.
Houllier was forced into a reshuffle before the interval when Heskey limped off to be replaced by Nathan Delfouneso.
Villa's owner Randy Lerner and chief executive Paul Faulkner have visited Houllier in hospital in Birmingham over the weekend.
Houllier paid the price for finishing fourth and without a trophy last term.
"Gerard Houllier's a very respectful man, I'm sure if there was anything going on we'd know about it, " Robinson added.
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Liverpool finally gave David Seaman an anxious moment two minutes after the interval as Houllier's side finally hinted at menace.
Meanwhile, Villa boss Gerard Houllier remained upbeat despite the defeat leaving his side hovering dangerously four points above the relegation zone.
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Contractual issues with the French Football Federation have delayed Houllier's arrival and MacDonald is in charge for Saturday's game with Bolton.
MacDonald rejected the opportunity to become Houllier's assistant, and will instead revert back to his old role as reserve team manager.
Aston Villa manager Gerard Houllier will be released from hospital within the next three to four days, the club have confirmed.
Houllier will want to forget a first half that saw his side struggle to settle and Gabriel Agbonlahor limp off after half-an-hour.
But in a statement on Villa's website on Wednesday, Houllier sought to clear up any ill-feeling, suggesting his comments had been misconstrued.
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Manchester City manager Roberto Mancini defended Houllier's decision to make eight changes.
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Houllier, who felt Villa were unfortunate not to score an equaliser, is adamant that Villa will survive the drop despite their latest setback.
Roxburgh said Houllier forced the French soccer establishment to focus more heavily on technical skills, even for elite players as young as 13.
After a promising start under Frenchman Houllier, the team has struggled for results since holding Manchester United to a 2-2 draw in mid-November.
Villa's sorry 3-0 defeat at Houllier's former club Liverpool had raised questions, but the French boss felt his players responded well to adversity.
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