Jaylen Brown Says Celtics 'Prepare for These Moments' amid Kristaps Porzingis' Injury

Kristaps Porziņģis questionable for Game 3 due to injury, testing Celtics' depth.

Jaylen Brown emphasizes 'next-man-up' mentality for Celtics, ready to step up in Porziņģis's absence.

Read at Bleacher Report