McDermott scores 33, Chatman has career-high 19 in No. 23 Creighton's 82-72 victory over Tulsa

Tulsa Guard Pat Swilling Jr. (2) shoots past Creighton forward Zach Hanson (40), with Tulsa forward D'Andre Wright (40), second from left, and Creighton guard Devin Brooks (5) watching in the first half of an NCAA college basketball game in Omaha, Neb., Saturday, Nov. 23, 2013. (AP Photo/Nati Harnik) (The Associated Press)

Creighton coach Greg McDermott, left, instructs his son Creighton forward Doug McDermott (3) in the first half of an NCAA college basketball game against Tulsa in Omaha, Neb., Saturday, Nov. 23, 2013. (AP Photo/Nati Harnik) (The Associated Press)

OMAHA, Neb. – Doug McDermott scored 21 of his 33 points in the second half, Austin Chatman had a career-high 19, and No. 23 Creighton defeated Tulsa 82-72 on Saturday.

McDermott recorded his 16th career 30-point game. He also became the first Creighton player since Cyril Baptiste in 1969-70 to open a season with four straight 20-point games.

The Bluejays (4-0), playing as a Top 25 team for the first time this season, opened the second half on a 13-4 run to increase its 42-41 halftime lead to 55-45. McDermott had eight points during the spurt, closing the surge with two straight 3-pointers.

Rashad Smith had 21 points, Pat Swilling added 18 and James Woodard 11 for Tulsa (0-4). Shaquille Harrison, who averaged a team-high 19.5 points, was held to seven.