The USOPC prohibits athletes from making political, religious or racial demonstrations during events on the Olympic circuit.
"Every athlete competing at the 2019 Pan American Games commits to terms of eligibility, including to refrain from demonstrations that are political in nature," USOPC vice president of communications Mark Jones said in a statement to ESPN on Sunday. "In these cases, the athletes didn't adhere to the commitment they made to the organizing committee and the USOPC. We respect their rights to express their viewpoints, but we are disappointed that they chose not to honor their commitment. Our leadership are reviewing what consequences may result."