Potentially missed foul call on Royce ONeale before foul is called on Nurkic

Jusuf Nurkic with a block leading to a VICIOUS Will Barton dunk

Can anyone tell me what this body part is on Kawhi Leonard I tried feeling my shoulders and realized that I am missing this bone Is this normal

Drummond hard foul on Giannis (Flagrant 2 Issued)