If it makes Walker feel any better Palace would have scored before the ball even came to him had Andros Townsend not hit a post with his header, though the City full-back did not have one of his better days and was also at fault for the visitors' first goal.
It seemed to be business as usual for City after German midfielder Ilkay Gundogan nodded them in front in the 27th minute, meeting a Fabian Delph cross from deep with a firm, downward header.
City have lost just once in the league this season (to Chelsea) and now sit four points behind league leaders Liverpool following the Reds 2-0 win over Wolves on Friday night.
The Citizens had not previously dropped a single point in their nine home games this season, but Palace stunned the champions with an unlikely turnaround at the Etihad Stadium.
Palace's performance was completely unexpected, the Londoners having lost five of their last six away games and 5-0 on their last two visits to the Etihad.
And Liverpool FC boss Klopp - whose side are now at the top of the table - feels that Manchester City are clearly the team to beat in the title race this term.
Two defeats in three games for City, who lost at Chelsea a fortnight ago, have given Juergen Klopp's Liverpool the upper hand in the title race and turned the January 3 clash between the sides at the Etihad into a real showdown.
Defeat leaves City four points off leaders Liverpool who kicked off Gameweek 18 of the Premier League with another win to continue their relentless gallop at the top of the table.
Result: Andros Townsend scores stunner as Crystal Palace shock Manchester City
Chelsea was another club that got upset, as a Jamie Vardy goal handed Leicester a momentum-producing 1-0 win at Stamford Bridge.
And as US President Donald Trump has made clear, the spokesman said, "Sanctions relief will follow denuclearization". North Korean leader Kim Jong Un vowed to work towards denuclearisation at his landmark summit with U.S.
The report further explains Apple would roll out software updates to its ban imposed iPhones in an attempt to fix possible issues. Apple's W1 chip: What is it, and why don't Android users get a bite? Apple has asked a Chinese court to reconsider the ban.
A custom circuit circuit board will check the Global Positioning System location of the package when it's moved from the porch. After thieves take the package, the phones record footage of the thieves getting glitter bombed, which is hilarious.
We valued his performance, he did the same today as he's played in the last few games, but he was in a better situation to score'. Richarlison exchanges passes with Lookman, but lashes over the bar from 18 yards out.
Rafiekian founded the Flynn Intel Group with Flynn to offer advisory services based on Flynn's national security expertise. He said in a phone interview that he hired Flynn to help secure a deal with Ratio Energy, an Israeli energy company.
Shami, who turned up for Delhi last season, was sold to KXIP while Mohit went back to Chennai Super Kings after a stint with KXIP. Another Caribbean star Carlos Brathwaite went for Rs 5 crore to the Kolkata Knight Riders .
Canadian businessman Michael Spavor poses with girls at a school in Rason Special Economic Zone, North Korea, in 2012. Asked about it on Wednesday, Assistant Attorney-General John Demers said his department was not "a tool of trade".
Police arrest fiancé of missing Colorado mother
Three days later, her boss at Doss Aviation received a text from her cellphone saying she wouldn't be at work the next week. Earlier in the investigation, police said Berreth's cellphone had pinged a tower in Idaho, roughly 600 miles away.
AB InBev set to sink R1.42bn in cannabis drinks
Coca-Cola, Pepsi and Guinness brewer Diageo have said they are closely watching the market for cannabis as it evolves. British Columbia-based Tilray Inc. has products available in 12 countries.
OPEC: Demand for cartel crude expected to decline in 2019
North Sea Brent crude lost $2.41, or 4.0 percent, to a low of $57.20, a 14-month low, and last traded around $58.06, down $1.55. Saudi Arabia - the de facto head of OPEC - churned out 410,000 barrels a day to a historic high of 11.06 million barrels a day.
Twitter reacts to Manchester United firing Jose Mourinho
Mourinho had also been unhappy that United's board failed to back his wish to sign a central defender in the off-season. It's the same for me and if the club thinks there is someone who can do it better, then they have to change today.
What Obamacare ruling could mean for your health care
The Trump administration declined to defend the mandate, spurring Democratic officials in 16 states to intervene. That could include the section that allows parents to keep young adult children on their coverage until age 26.
Africa makes strong showing at Miss Universe 2018
Harvey joked briefly about the incident in exchanges with contestants and said "You all can't let that go" and "I'm still here". Apparently it worked, because the 24-year-old Miss Philippines was crowned Miss Universe 2018 on Monday in Bangkok .
Interior Secretary Zinke resigns amid investigations
President Donald Trump announced Saturday that Zinke will leave the administration at the end of the year. Senate Minority Leader Chuck Schumer was scathing about Mr Zinke in response to the news he was leaving.
North Korea marks 7th anniversary of Kim Jong Il's death
Pyongyang has stayed mostly away from provocations as it has turned to diplomacy in its dealings with the rival South. The statement by North Korea's Foreign Ministry was carried by the regime's official Korean Central News Agency .
Jabari Parker reportedly dropped from Chicago Bulls rotation
You've just got to keep moving. "Going forward, he's part of our team, and it's not about the individual, it's about the team". After the Bulls struggled, former coach Fred Hoiberg shifted Parker to a reserve role after three games in the preseason.
Donald Trump knew hush money was wrong, says Cohen
His astonishing response overnight included a barrage of confusing and angry tweets as well as a freakish appearance on Fox News. Cohen was on Wednesday sentenced to three years in jail for crimes including tax evasion, bank fraud and lying to Congress.