Park has flown to the United States after Old Trafford medical staff were unable to find the exact cause of the problem he picked up against Blackburn on March 31.
The South Korean is due to undergo surgery today at Dr Richard Steadman’s clinic in Colorado.
And, while United await a further diagnosis, Ferguson confirmed Park will play no further part in the remainder of the season.
“We have not been able to get to the bottom of it, so we have sent him to the best specialist in the world,” said the United boss.
“Unfortunately, it puts and end to his season.”
Park had the option of going to a different clinic in Sweden but given Steadman’s expertise, it is no surprise he opted to fly across the Atlantic.
Steadman has a reputation for successful cruciate ligament operations, with former United forward Ruud van Nistelrooy and current England striker Michael Owen among his exclusive patient list.
“Ji was initially examined by our own physios but, as ever with these situations, if you have complications, you send the player to a specialist,” added Ferguson.
“We either had to operate or let nature take its course.
Concern
“Because there was no clear reason for the injury, we knew it was bad enough for us to be concerned, which is why he has gone to America.”
There is some good news on the injury front for United though, with Louis Saha expected to be in the Red Devils squad for the crucial trip to Everton.
Saha has not featured since the win over Liverpool at the beginning of last month but the Frenchman appears sufficiently happy about his recovery from long-standing hamstring problems to put his body on the line once more.
In addition, Ferguson is considering whether to plunge Nemanja Vidic straight back into the fray against AC Milan next week providing a scan on the broken collarbone he suffered against Blackburn offers a positive result.
“Nemanja has been training really well,” said Ferguson.
“He has a scan on Monday and once we get the results of that, we have a decision to make.”
Ferguson is also optimistic Rio Ferdinand will be fit for the trip to Italy, although he admitted there is no chance of his record signing being risked at Goodison Park.
“Rio won’t play tomorrow but hopefully he will be okay for Wednesday,” he said.
Skipper Gary Neville definitely won’t be involved in either game, although Ferguson confirmed there has been some recent improvement in the full-back’s ankle injury.
“There is an improvement,” he said.
“I don’t know if we have done too much because he got some swelling on the injury.
“But we gave him a special boot to wear and the swelling has gone down. Now we just have to map out the right recovery for him.”
What is your verdict on Park's season? Have your say.
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Showing comments 1 to 21 and replies | View All
K Stand Red, Salford (27/04/2007 at 10:10)
If he's been to see Steadman, it's something serious definitely.
Wish him a speedy recovery.
Poor lad, he was just being able to finish too. :)
Robbo, North Stand (27/04/2007 at 11:33)
Alf For The Devils, Ipswich (27/04/2007 at 11:39)
Gerry, Glastonbury (27/04/2007 at 11:57)
Let's hope he's back fit for pre-season.
pudge299, Manchester (27/04/2007 at 12:49)
Red Norse, Norway (27/04/2007 at 12:52)
A Mancunian, Manchester (27/04/2007 at 12:57)
Sterling, Salford (27/04/2007 at 13:27)
Alias Smith, over the moon (27/04/2007 at 14:39)
TMUF, Manchester (27/04/2007 at 14:55)
Demo, Glossop (27/04/2007 at 15:06)
great news that saha, rio and vida may be back in the action especially the latter 2 against milan!
shame bout park as he was doing alright and even started seeing out from underneath his hair to find the goal
Lee , Heywood, Heywood (27/04/2007 at 15:31)
Sterling, Salford (27/04/2007 at 15:38)
Southern Red (27/04/2007 at 15:43)
Strange how Saha may be fit tomorrow as his agents are flying in next week to discuss contract extension!!!
Michael Dover (27/04/2007 at 15:56)
Kash, New York (27/04/2007 at 17:41)
Rio's performance at Boro was bad. I think everyone was over cocky and started going up and making Ronaldo type skills show-up. He left gaps at the back and this may have aggravated the injury. If he stayed at back, played it safe we may never be in this spot. Not smart Rio.
Anyway, we will need Vidic and Rio back. Inzaghi will start on Wednesday up-front and he is a real danger.
TMUF, Manchester (27/04/2007 at 18:45)
de Meester, netherlands (27/04/2007 at 20:50)
I thought his injury was so innocuos!(?!)
Let's take no chances with 'fit-again' players, as we have seem what's happened with Louis & Rio!
We are nearly there and if they come back next week then good!
It's really going to be a boring summer (methinks!)Come On You Reds, we are nearly at the summit!
berg
Utd-For-Life, marseille ex-stretford (27/04/2007 at 20:59)
Sorry to hear about park. Shame for him to miss out on what could be an amazing end to this season.
Balders, Tier 2 Stretford (30/04/2007 at 11:06)
Duncan, London (30/04/2007 at 17:37)