Anton Ferdinand's injury-time own-goal gave United a point, but it was Wiley's display that incurred Ferguson's wrath.
Paul Scholes gave United a first-half lead, with John O'Shea and Kieran Richardson were on target after the break.
BBC: SPORT | Football | Europe | Ferguson salutes maturing Man Utd
Ryan Giggs gave United a 22nd minute lead before David Luiz equalized from the penalty spot to bring Chelsea level.
It gave Van Nistelrooy the remarkable tally of 35 Champions League goals in 39 appearances - and United a vital victory.
BBC: SPORT | Football | Europe | Manchester United 2-1 Benfica
Carlos Tevez had looked to have secured United a crucial victory four minutes from time after being sent on as a substitute.
The draw takes United a point clear of Chelsea at the top of the English standings with 19 points from eight games.
The addition, on a season's loan, of Andy Webster will give United a combination of quality, strength and poise at the back.
Rooney's brace proved pivotal in earning United a victory that barely looked possible as they were outplayed for much of the first hour.
Ronaldo put United ahead after referee Rob Styles awarded United a penalty even though Jlloyd Samuel's tackle on the Portuguese winger was a fair one.
He awarded United a penalty when Ronaldo was fairly tackled by Samuel even though none of the home players or supporters appealed for a spot kick.
There are also more than 50 photographs, portraits, paintings and sketches documenting the life and times of the man who united a nation after a brutal war.
But Richard Wood's own goal threw United a deserved lifeline.
As Yulia Mostovaya, the editor of Zerkalo Nedeli, a weekly, explains, by putting Ms Tymoshenko in jail, Mr Yanukovich has both lost a useful sparring partner and united a fractious opposition.
But a goal from England international defender Wes Brown after 28 minutes gave 11-times cup winners Manchester United a 1-0 win, despite Crawley having much of the possession in the second half.
BBC: Crawley fans see narrow cup defeat at Manchester United
O'Shea scored from close range after Arsenal failed to clear a corner - giving United a slender but fully deserved advantage to take into the semi-final second leg at the Emirates next Tuesday.
They triumphed on penalties to win the Community Shield in August after a 1-1 draw at Wembley and then, in Grant's first game in charge, Louis Saha and Carlos Tevez gave United a 2-0 victory at Old Trafford.
Dimitar Berbatov had given United a 30th-minute lead in Toronto and, although Georgios Samaras equalised from the penalty spot after an hour, late goals from Danny Welbeck and Tom Cleverley gave the English side victory in the friendly.
And as the President told the Prime Minister when they spoke last week, the United States values a strong United Kingdom and a strong European Union.
On the theory that a united party of the right will then be matched by a united party of the left, France may therefore now be on the road to a two-party system familiar to voters in countries such as the United States, Britain, Australia, Spain or Germany.
DUBAI, United Arab Emirates (CNN) -- A bomb threat temporarily closed the U.S. Embassy and consulate general offices in the United Arab Emirates on Wednesday, according to a senior United Arab Emirates official and a statement from the embassy.
We aim to create a more modern, more trustworthy United Nations -- a United Nations that is faster, more flexible and more effective in delivering on the growing demands placed on it.
The acquiring firm had a contractual relationship with American Airlines, a competitor of United with a completely separate loyalty program.
It comes from a group called United For A Fair Economy.
FORBES: Warren Buffett And George Soros Want Higher Estate Tax Than Obama Proposes
You might imagine that it would be easier to call for a return to military strength and national greatness in the United States -- a superpower -- than in the United Kingdom -- a middle ranking power.
In another, a lesbian couple are united with a Vietnamese baby they're adopting.
Although a permanent move to United remains a possibility, Joorabchian is also aware of interest in the former West Ham frontman.
UMP, it will be up to the Socialists to present a united front at a special congress due to be held in Dijon next May.
Muntari, who was disappointed to miss out on a move to Manchester United when a 16-year-old, scored five goals in 33 appearances for FA Cup winners Portsmouth.
The United States introduced a resolution asking the United Nations to approve the creation of a multinational force in Iraq.
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