Stanford’s “Big 3’ lighting up Pac-12

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There’s plenty of time left in the Pac-12 schedule, but Stanford’s Post-grad Three of Chasson Randle, Anthony Brown and Stefan Nastic appear headed for conference honors.

If the All-Pac-12 team were selected now, Randle and Brown no doubt would be on the 10-man first team. Randle, the conference’s leading scorer (20.2 points per game), would be a candidate for Player of the Year. So would the versatile Brown, who also would be in the running for Defensive Player of the Year with Washington shot blocker Robert Upshaw.

Is there a more improved player than Nastic? He’d be a favorite for that award, which went to Brown last year.

The three were at their best late Saturday night in an 89-70 win over Arizona State at Maples Pavilion. Randle and Brown had 21 points each, and Nastic was right behind with 20.

It was the first time the Cardinal had three players with at least 20 points since March 3, 2007, when Kenny Brown (22), Brook Lopez (21) and Lawrence Hill (20) did it in an 85-80 overtime loss to Arizona.

“We really had no answer for their big three,” Arizona State head coach Herb Sendek said. “We knew going in those three seniors were among the best players in the country, and they lived up to that here this evening.’’

Randle took only eight shots but made six of them and sank all seven of his free-throw tries. He also passed Todd Lichti to become Stanford’s all-time leader in minutes played. Brown was nearly as efficient, hitting 7 of 11 shots and going 4-for-4 at the line.

After Thursday’s 89-82 loss to Arizona, Brown said, the seniors “wanted to set the tone early. We kind of just were aggressive.’’

With 144 more points, guard Chasson Randle (left) will become No. 1 on Stanford’s career scoring list. With 144 more points, guard Chasson Randle (left) will become No. 1 on Stanford’s career scoring list. Photo: Tony Avelar / Associated Press Photo: Tony Avelar / Associated Press Image 1 of / 3 Caption Close Stanford’s “Big 3’ lighting up Pac-12 1 / 3 Back to Gallery

He pointed to Stanford’s 21 assists, easily the most it has had in a Pac-12 game this season and one short of its season high. A large assists total often depends on accurate shooting; Stanford shot 70 percent in the first half and 59 percent for the game. But it’s also a sign of teamwork and connected passes. Without a true point guard, Stanford ranks eighth in the league in assists. Against ASU, though, the passing was especially crisp.

The Cardinal (14-5, 5-2 Pac-12) enjoyed their hottest shooting half in seven years and led 51-41 at the break. Head coach Johnny Dawkins said it was the second half that was one of the team’s best of the season, mainly at the defensive end. It gave up eight three-point baskets in the first half, but the Sun Devils (10-10, 2-5) were 0-for-7 from long distance in the second half.

“We know they’re capable of knocking down a lot more threes than they made; they’re a terrific shooting team, especially, when you can bring in (Jonathan) Gilling and (Bo) Barnes,’’ he said. “Those kids are capable of hitting multiple threes every night. So you have to really try to focus in on that in the second half and make sure you try to do your best to identify where they are on the floor and hopefully, slow them down some. And our guys did.”

Stanford is 10-1 at home, but this week it makes its trip to Washington, where it hasn’t swept since 2008. The Cardinal beat both Washington schools at Maples. Washington, ranked No. 21 at the time, lost at Maples, 68-60, in overtime on Jan. 4. The rematch is Wednesday.

The Cardinal have won eight of their past 10 games, and there’s a chance they might get freshman forward Reid Travis back on the trip, Dawkins said. Travis has missed the past eight games because of a stress fracture in his left thigh.

Tom FitzGerald is a San Francisco Chronicle staff writer. E-mail: tfitzgerald@sfchronicle.com Twitter: @tomgfitzgerald