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Joe Mazzulla, guiding the Boston Celtics to their 18th NBA championship, credits Pep Guardiola for pivotal support during the Finals.

The Celtics’ head coach, 35, formed a bond with the esteemed football manager over the years. Guardiola visited Boston amidst the championship series.

Mazzulla highlighted Guardiola’s influence in strategic transitions against the Dallas Mavericks.

“Dallas has one of the smartest defenses. We had to be creative. Pep helped me in transitions and how to move guys,” Mazzulla disclosed.

Guardiola’s insights proved instrumental as the Celtics secured a decisive victory over the Mavericks.