The France global defender ruptured the anterior cruciate ligament during the first-half of Saturday's 5-0 Premier League victory at home to Crystal Palace.
Having joined the Citizens from Ligue 1 champions Monaco in the summer, Mendy has made a huge impression in England both on and off the pitch.
He joked on his Twitter feed that he would be joining "Injury FC" on loan for a couple of months but hoped to return stronger.
Mendy will undergo surgery on Friday in Barcelona, where he travelled to see a specialist doctor this week, City said on Thursday.
Manager Pep Guardiola was pessimistic about Mendy's situation in the aftermath of the weekend's victory, suggesting the France global could be unavailable for so long that City would have to pursue a replacement in the January transfer window.
Meanwhile, City boss Pep Guardiola has revealed he will not be rushed into the transfer market, despite losing his only out-and-out left-back.
"We thought next summer about looking for another left-back, another replacement, but we will see what we do".
"We wish him a speedy recovery and we support him in every way". City didn't give a likely timeframe for Mendy's absence.
If that helps keep any of the six Presidents Cup rookies, including Kisner, even a little bit more comfortable, it's all worth it. So large is the lead, there is a chance this year's Presidents Cup could be wrapped up before the Sunday's singles matches.
Westbrook was a one-man wrecking crew, putting the finishing touches on a historic 2016-17 season which rung in MVP honors. Bennett, Sam, Troy and the entire organization have given me and my family has been incredible, and we are so grateful.
If you're not familiar with Google Shopping, it's that graphical bar that shows up any time you search for a product. The reason is that they have been auctioned off, with Google as just one among the bidders.
The Taliban are now said to claim more territory now than at any time since a US -led invasion overthrew their regime in 2001. Afghan officials said one Afghan woman was killed and 11 civilians were wounded in the Taliban attack.
The other children at the day care were taken to the police station until they could be reunited with their parents. The police chief told U.S. media that the investigation was ongoing and charges were possible.
The reports said that some villagers of the area had noticed the presence of four suspects when they were working in the fields. The defence sources said that the attackers could be from Pakistan's BAT which comprises of soldiers as well as militants.
Verstappen took third for Red Bull on his 20th birthday, with his team-mate Daniel Ricciardo in fourth. Victor of the 2017 Singapore Grand Prix last time out, Hamilton said: "It's been a very hard day.
SPUC researcher Fiorella Nash has written before about how it is misleading to talk about "safe" and "unsafe" abortion. Most abortions that take place in Western and Northern Europe and North America are safe.
Liverpool manager Juergen Klopp. "However, Liverpool are class going forward and I'd be shocked if Newcastle coped with them". It does not mean the other teams should not try to fly also. "We speak about the things we have influence on".
There's no confirmation whether the live telecast of Ind vs Aus 4th ODI will be provided on famous television channel DD National. India battling back strongly v Australia in Bangalore . 1992 - Rohit Sharma has aggregated 1992 runs in ODI cricket in India .
The July 27 New York City poll found more voters blame Cuomo for poor subways; Cuomo-de Blasio feud hurts city, voters say. The poll was conducted from September 21 to 26 by phone in which 1,412 voters nationwide participated.
Best Buy Releases Nintendo Super NES Classic
But in July and August, a string of pre-order debacles got retro video game fans worrying that Nintendo's promises meant nothing. First off, Star Fox 2 has a website with a few pages instead, but all other manuals are reproduced nicely as digital PDFs.
Pyongyang sends envoy for talks in Moscow
North Korean leader Kim Jong Un threatened retaliation in his response, calling Trump "mentally deranged" and a "dotard". Now in Australia, Dr Roberts said that Kim might target Australia in a bid to separate United States allies from the US.
Stonehouse Elementary named national Blue Ribbon school
Thirteen Michigan schools, including three in Rochester Hills, were recognized as National Blue Ribbon schools on Thursday by U.S. Each has a role to play in supporting student success and closing achievement gaps, and each has contributed to this distinction.
Detroit Lions Week Three Report Card
The Colts may not have to rush Luck with the way backup Jacoby Brissett played in their 31-28 win over the Cleveland Browns . Quinn said the Falcons staff will "see where they are at" in terms of what their level of participation will be this week.