Why Kevin Porter Jr. leaves arena after halftime confrontation

Houston Rockets point guard Kevin Porter Jr.

Kevin Porter Jr. lost his temper

During a heated halftime discussion and didn't return to the court

leaving the Toyota Center during the second half of Saturday's 124-111 loss to the Denver Nuggets

Porter became upset after assistant coach John Lucas challenged him

The Rockets, who trailed 77-55 at halftime of their seventh consecutive loss

Did not return to the court until moments before the third quarter began

Porter has been bothered for weeks by a left thigh contusion

Porter, 21, has had some success in Houston