TACOMA, Wash. – Brandon Roy got a text message from his mother Saturday morning with simple instructions.

Go get your championship.

After his three trips to the Tacoma Dome without a boys basketball title as a player at Seattle's Garfield High School, she knew what he had gone through.

“I walked out of this locker room three times,” Roy said. “I wasn't crying, but she had to pick me up. I was hurt pretty bad, just because I wanted to win so bad, and I wanted to win here.”

After Saturday night's 3A championship game in the dome, Roy and his nationally top-ranked Nathan Hale Raiders didn't need to be picked up. They got their championship.

Following a hard-fought battle with Roy's alma mater that was much closer than the final score indicates, Roy's Raiders completed their undefeated season with a 68-51 win over the Bulldogs on Saturday.

Nathan Hale (29-0) actually trailed at halftime, 29-26, but three three-pointers in the first 3:30 of the third quarter quickly turned the tide, giving the Raiders a lead they would not relinquish.

A one-handed alley-oop from sophomore PJ Fuller to senior forward Michael Porter Jr., the nation's top recruit, sparked an 18-8 Raiders run a couple minutes later that helped put away the Bulldogs (23-6).

“We needed to punch them in the mouth, and that's exactly what we did,” Porter said.

Porter put his self-proclaimed “exclamation point” on the victory in the final minute. He leaked away on a fast break, threw a lob to himself off the backboard and finished with such an emphatic one-handed slam that it seemed like the basket was going to collapse. Either that or the Tacoma Dome, whose occupants erupted with shock and awe.

Fuller called it the best dunk he's ever seen.

“He's the best player in the country,” said Fuller, a former Garfield guard who had 12 points and a team-high four assists. “No player in high school can guard him.”

Porter certainly proved that no player in Washington could guard him. His 27 points Saturday tied a season low for the second consecutive night, but he still broke the tournament's three-game record for points with 90. With 17 rebounds Saturday, Porter also broke the state three-game record with 45.

The win was Nathan Hale's fourth this season against Garfield, including an 87-64 blowout during the Raiders' conquest of December's Les Schwab Invitational in Hillsboro.

Porter, a transfer from Columbia, Missouri, who moved to Seattle when his father took a job as an assistant coach with the University of Washington, was one of seven transfers to previously moribund Nathan Hale (3-18 in 2015-16).

He arrived already lauded as one of the best players in the country, and he said having the former Portland Trail Blazers all-star as a coach was “a blessing.”

“I couldn't be in a better situation,” the 6-foot-9 point forward said. “He's a mentor to me. He's like family.”

But Porter arrived with something even Roy didn't have: a state title, won last season with Tolton High School in Missouri.

“There's no feeling like winning a state championship,” Porter said.

And now Brandon Roy knows that feeling, 15 years after his dreams were dashed by Tacoma's Lincoln High School.

“I thought for sure I would win one,” he said. “It was crushing, but that's all behind me now.”