PORTLAND, Ore. (AP) — JaJuan Johnson scored 22 points and had two huge blocks in the final minute as fifth-seeded Purdue held off a frantic charge from Washington to win 76-74.

The Boilermakers (27-9) advanced to their first regional semifinals since 2000. The Big Ten tournament champions led the entire game, but nearly blew a 14-point lead to the desperate, determined Huskies (26-9).

E’Twaun Moore scored 14 points and made the clinching free throws with 5.5 seconds remaining for Purdue.

Isaiah Thomas scored 24 points, Quincy Pondexter had 20 with 10 rebounds and Jon Brockman added 20 points with 18 rebounds — the 60th and final double-double of his career — for Washington.

South Regional

No. Carolina 84, LSU 70

GREENSBORO, N.C. (AP) — Ty Lawson got back just in time to help top-seeded North Carolina win before a friendly crowd.

The Atlantic Coast Conference player of the year had missed the past three games after he jammed his right toe in practice two days before the regular-season finale against Duke. Against LSU, Lawson scored 23 points and made a three-point play that sparked a decisive second-half run.

Wayne Ellington scored 23 points to lead the Tar Heels (30-4).

Marcus Thornton scored 25 points to lead the eighth-seeded Tigers (27-8).

Oklahoma 73,

Michigan 63

KANSAS CITY, Mo. (AP) — Bulling through double teams and soaring in for vicious dunks, Blake Griffin finished with 33 points and 14 rebounds to power Oklahoma past Michigan.

Still sore from being dumped by Morgan State’s Ameer Ali in the first round, Griffin dominated the undersized Wolverines to help the second-seeded Sooners (29-5) advance to next week’s South Regional semifinals against the Syracuse-Arizona State winner.

Bulling through double teams and soaring in for vicious dunks, Blake Griffin finished with 33 points and 14 rebounds to power Oklahoma (29-5) past Michigan.

The 10th-seeded Wolverines (21-14) pulled off a mild upset in the opening round by withstanding Clemson’s relentless pressure, but couldn’t handle Griffin’s tenacity to make it two in a row.

Gonzaga 83,

W. Kentucky 81

PORTLAND, Ore. (AP) — Freshman Demetri Goodson streaked the length of the court and made a short, running bank shot with 0.9 seconds left, lifting fourth-seeded Gonzaga (28-5) over Western Kentucky 83-81 on Saturday in the second round of the NCAA tournament.

Steffphon Pettigrew hit a tip-in for the 12th-seeded Hilltoppers (25-9) that tied it at 81 with 7.2 seconds left. But Goodson took the inbounds pass and went straight to the basket, hitting from close on the left side.

Duke 74, Texas 69

GREENSBORO, N.C. (AP) —Gerald Henderson finally will find out what the second weekend of the NCAA tournament is like.

Henderson scored 24 points and hit three free throws in the final minute to help Duke beat Texas 74-69 on Saturday night in the second round of the East Regional.

Kyle Singler added 17 points and Jon Scheyer added 13 for the second-seeded Blue Devils (30-6).