READ MORE: Joe Mazzulla reveals how Pep Guardiola helped him win NBA Finals READ MORE: Celtics win historic 18th NBA title as they blow Mavericks away While the triumphant Boston Celtics players wasted no time popping champagne bottles, head coach Joe Mazzulla celebrated the franchise's historic victory in the most wholesome fashion. Mazzulla and his wife, Camai Mazzulla, were seen holding hands while walking around the empty arena, the Boston Herald reports. 'It's 3:20a.

m. and Joe Mazzulla and his wife are holding hands, walking around the parquet,' reporter Andrew Callahan wrote on X. 'They've done a few laps already.

Mazzulla is pointing to a few places around the arena. Soaking it all in,' he added. Joe Mazzulla celebrated the franchise's historic victory in the most wholesome fashion It's 3:20 a.

m. and Joe Mazzulla and his wife are holding hands, walking around the parquet. They've done a few laps already.

Mazzulla is pointing to a few places around the arena. Soaking it all in. pic.

twitter.com/iU5kRqPcL8 — Andrew Callahan (@_AndrewCallahan) June 18,..

. Emily Selleck.