ARLINGTON, Texas (AP) — Terence Crawford landed a stunning right that Thomas Dulorme never really saw.

Soon after that, Crawford was a two-time WBO champion, winning the latest title in his first fight since moving up in class.

Crawford won the vacant WBO junior welterweight title with a sixth-round technical knockout Saturday night, knocking down Dulorme three times in quick fashion after that big blow.

“I knew I hurt him, I felt it,” Crawford said. “I knew he was hurt real bad. I wanted to just jump on him. … He was woozy.”

With Dulorme stunned, Crawford hit him again and knocked him down for the first time. Then Crawford delivered a flurry of punches, leading to another knockdown. When Dulorme got back up, Crawford unloaded again — and the fight was stopped as Dulorme staggered against the ropes near his corner.

“Basically a shot that I didn’t see, and the shot got me,” Dulorme said through an interpreter.

Crawford remained undefeated, winning as a heavy favorite in his first fight moving in the 140-pound class. He won the WBO lightweight title 13 months ago and defended in the 135-pound division twice in his hometown of Omaha, Nebraska.

The scheduled 12-round fight in North Texas came a week before Crawford, now 26-0 with 18 knockouts, is scheduled to be in New York to accept his 2014 fighter of the year award from the Boxing Writers Association of America.

After the fight ended, promoter Bob Arum shouted “That’s why he’s the fighter of the year!”

Dulorme, the 27-year-old Puerto Rican, is 22-2. He had won his last six bouts since moving down in class after being knocked out by Luis Carlos Abregu at 147 pounds in a welterweight fight in…