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.