A statement on Real Madrid's website confirmed the tear, although did not put a timeframe on his return.
He said that the amount of work involved meant that he could not put a timeframe on his final decision on the deal.
The United manager was unable to put a timeframe on Rooney's recovery from the injury he sustained in training on Friday, when Michael Carrick and Jonny Evans also suffered knocks that kept them out against Stoke.
Richard Cockerill, Leicester's director of rugby, could not put a timeframe on Williams's injury, but he did confirm that it was the same arm – his left – that was broken twice last season.
Earlier this month, the French government reiterated its pledge to stop all financing of coal projects abroad through the use of export credits, though it has yet to put a timeframe on the move.
Instead, both Harf and White House spokesman Jay Carney declined to put a timeframe on the process during the latest press briefings and national intelligence director James Clapper said on Tuesday his personal view was that it would not be completed before the election.
Daniel Levy has not put a timeframe on his search for a ninth manager since becoming Spurs chairman in 2001.
"I don't want to put a timeframe on it but, as I have said before, it is top of the agenda.
At the time the EU said discussions were "ongoing with Google" and would not put a timeframe on how long the process was likely to play out. .
Line said it plans to expand its Web Store into more countries and regions — but did not put any timeframe on such expansion.
The company yesterday confirmed to gaming news website Polygon it is "preparing to offer a 2-step verification feature", in order to bolster security for PlayStation Network users, although it did not put a timeframe on the rollout.
