The British journalist-turned-television host, who is a proud and vocal Gunners’ supporter, conducted an interview with the popular ArsenalFanTV and reiterated his opinion that Wenger should have been sacked before now.
Piers Morgan: Wenger committed a sackable offence
Morgan said: "I didn't like the players [Wenger] was buying, I thought he was buying second tier players and then he was selling our best players to rivals.
"To me when he sold van Persie to United and they won the league that was an absolute sackable offence.
"How could a manager do that?”
Morgan went on the claim that, were he in charge of the situation, Van Persie would have been banished to the reserves - and hinted that Wenger’s willingness to bow to the player’s demands is one of the reasons why Arsenal have been so unsuccessful over the past decade.
"I don't care what he would argue, I don't give a damn, rot him on the reserve bench I don't care, you don't give him to United,” he continued. "Do you think if he called up Alex Ferguson and said 'hey I want Wayne Rooney' how long would've that conversation lasted?
"That's why Alex Ferguson won 10 trophies since we last won a trophy."
Morgan: Arsenal did not need to sell Van Persie
Interestingly, Morgan then went on to reveal that people close to Arsenal have informed him that the Gunners did not need to sell Van Persie. The north London club’s finances have been healthy for a very long time now - thanks largely to Wenger’s shrewd management - and this means the veteran French coach should have done everything in his power to keep Van Persie at the Emirates Stadium two summers ago, according to Morgan.
"We did not have to sell Robin van Persie, it's a complete myth, an absolute lie, I have people very close to the ground at Arsenal who tell me we did not need to do that for financial reasons, therefore there is no excuse for what he did,” he added. "I thought that that was an appalling thing to do."
Watch: Piers Morgan’s interview with ArsenalFanTV
Arsenal fans still missing Van Persie?
Arsenal ended their nine-year wait for a trophy last season and have secured the services of the hugely talented winger Alexis Sanchez - but have they managed to replace Van Persie?
Olivier Giroud has been a good buy for the Gunners; however, in Van Persie’s final season with Arsenal he scored a magnificent 37 goals in 48 appearances. Giroud, on the other hand, has scored just two goals more in 98 matches for the north London outfit.
In his first season with Manchester United, Van Persie was nothing short of inspirational: scoring 26 league goals to claim his second consecutive Golden Boot award and, more importantly, his first Premier League winners’ medal.
Last season he was a little disappointing - injuries and David Moyes didn’t seem to help - but he showed at the World Cup finals in Brazil that he still has plenty to offer.
Van Persie is now a villain in the eyes of the Arsenal supporters, who ensure that the Netherlands international endures a barrage of abuse every time he returns to the Emirates Stadium.
But do some of them secretly miss him? Should Wenger have been sacked in 2012? Tell us by leaving a comment in the box below.