Kristaps Porzingis return in NBA Finals.

The franchise took a massive step toward claiming a record-setting 18th NBA championship

Walton plying sixth-man role, in NBA championship

He plying after five weeks because of a calf strain he suffered in the first round.

20 points, 6 rebounds and 3 blocks in 20 minutes.

leading the Celtics to a 107-89 demolition of the Dallas Mavericks

It was Porzingis' first playoff game since the first round.

"Kristaps had a monster game for us," Jaylen Brown said.