Onus now on Knicks to respond to Joel Embiid's dominant, physical Game 3

PHILADELPHIA — The physicality was written all over Isaiah Hartenstein's neck, the scratch marks befitting a raccoon attack. The Sixers, and Joel Embiid, in particular, had gone full-on WWE heel with two groin shots, a two-legged takedown and an eye slap from Kyle Lowry. Somewhere along the way, Hartenstein was clawed on his neck and chest. 4 Isaiah Hartenstein 55 of the New York Knicks reacts to a foul call during the second half of Game 3. Corey Sipkin for the NY POST And as Hartenstein sat in his locker Thursday night all he had to show for it was a 125-114 loss , a 50-point gem from the man he was guarding and persistent foul trouble . “The biggest thing is the free throws,” said Hartenstein,