Why Joe Mazzulla played machine gun noises during Celtics practice

ORLANDO — The latest “Only Joe Mazzulla” story came courtesy of Celtics guard Derrick White.

On this week’s episode of his “White Noise” podcast, White shared an anecdote about Mazzulla playing machine gun noises over the Auerbach Center speakers at the start of one Celtics practice.

“It was me and Payton (Pritchard),” White recalled. “We’re going, and Joe is like, ‘Play the music!’ And the next thing you know, it’s just machine guns going off. I’m like, ‘What is going on?’ The entire time we did this drill, the machine guns were going off, and that’s how we started practice. Zig-zags, defense, picking up full(-court) and stuff like that. … Next thing you know, you’re in a war zone, for real. It was unbelievable.”

Asked Friday morning about his reaction to the unexpected sounds of gunfi