[hoosiermama]

https://www.realclearpolitics.com/2020/11/14/pollster_biden_underperforms_clinton_in_every_cityexcept_4_529262.html

Four cities did most of damage. Good article

[CottonBall]

“Biden underperformed Hillary Clinton in every major metro area around the country, save for Milwaukee, Detroit, Atlanta and Philadelphia.”

Good article, thanks for finding it. That he only out performed in four cities (in battlestates) makes the impossibility even more clear.