Game 4 of the Knicks-76ers playoff series tipped off Sunday at Xfinity Mobile Arena in Philadelphia. But it certainly looked and felt like a road game for the Sixers. Heading into the series, 76ers star Joel Embiid pleaded with Philadelphia fans to not resell their tickets to rival Knicks supporters in order to keep the electric atmosphere that helped the Sixers defeat the Celtics in the opening round of the postseason. It appears 76ers fans did not listen. New York fans flocked to Philadelphia in Game 3, and it was even more of an attendance discrepancy in Game 4 on Sunday. According to The Athletic’s Tony Jones, who was on the scene in Philly, Knicks fans took up about 70% of the crowd as they rooted for their favorite team to complete a four-game sweep. This is flat out embarrassing for Philadelphia....it's legit 70-30 Knicks fans in here right now — Tony Jones (@Tjonesonthenba) May 10, 2026 That was evident even before the tip.…