United went into the match after several days of criticism following its Champions League exit and the loss of captain
McCarthy said he had expected little else from United, and backed Sir
"I don't look at Manchester United in a different way," said McCarthy.
"I can't remember when Manchester United, at Old Trafford, was an easy task.
"All the hype and talk about their demise is nonsense."
The result lifts United to within two points of leaders Manchester City, who visit Chelsea on Monday night (Tuesday morning AEST).
Suarez has been in the news for all the wrong reasons recently, receiving a second
He is also awaiting a date for a hearing into a racism-related charge which dates back to October, and
"The headlines don't matter - but they will be nice headlines," he said.
"He scored with a header which doesn't happen very often and he played really well. It was well deserved and well taken."
The in-form Dutchman took his tally to 19 for the season with a superb left foot strike on 70 minutes which proved enough to send Arsenal back into the top four of the Barclays Premier League.
"He delivered something special and three important points."
Newcastle's unbeaten start to the season seems a distant memory after three defeats in its last four matches, the latest coming at Norwich where they went down 4-2.
"It's fairly obvious we missed them," Pardew said.
"Our squad has been stretched to the limit."
And having brought the 28-year-old to south Wales from FC Utrecht for just £1.5million ($A2.3million) in the summer, Rodgers has no doubt he has secured one of the best goalkeepers in the top flight.
He said: "People will tell you that a good goalkeeper will get you up to 10-plus points and everyone knows we have a top keeper. The speed with which he got there to make the save was exceptional and he deserves the acclaim, it was very important for us.
"It was a great bit of business for us, it's a steal. He is a good guy, very professional. His family have settled well in
Aston Villa heaped more pressure on last-placed Bolton with a 2-1 win at the
English Premier League
Brazilian midfielder Fernandinho has confirmed he wants to join Manchester City.