The crash happened around 9:30 p.m. at Broad and Spring Garden streets.
The striking vehicle was found in the 1500 block of Ridge Avenue.
Chopper 6 was overhead as police investigated a silver Mercedes.
Police say a person inside the vehicle was taken into custody for questioning.
Philadelphia police said in a social media post that the crash does not appear to be intentional.
Three people have been reported to be injured so far. The injuries were not considered to be life-threatening.
Crowds took to the streets after the Eagles beat the Washington Commanders 55-23 in the NFC Championship to win a trip to the Super Bowl.