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Celtics’ Joe Mazzulla Delivers Warning on Early Optimism

The Boston Celtics are in the throes of the preseason good vibes, but coach Joe Mazzulla has a warning on those.

Published: Monday, 5 October 2026 at 1:11 AM
Celtics’ Joe Mazzulla Delivers Warning on Early Optimism
Key Things to Know
  • Joe Mazzulla warned that preseason optimism means little until the Celtics face regular-season adversity.
  • Mazzulla noted all 30 NBA teams feel unified before dealing with travel, benchings, or losing streaks.
  • Sean Deveney reports the Celtics maintain high expectations despite trading Jaylen Brown to the Sixers.
The Story in 60 Seconds

Boston Celtics head coach Joe Mazzulla has cautioned against reading too much into preseason optimism, noting that every NBA team feels cohesive before facing real adversity. Speaking via Celtics Blog, Mazzulla highlighted that true team identity only emerges once issues such as benchings, media criticism, or losing streaks occur.

Sean Deveney writes that the franchise faces positive expectations despite trading Jaylen Brown to the Philadelphia 76ers during the offseason. The Celtics are scheduled to open their regular season against the Detroit Pistons on October 20.

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