Dalton Nixon added 14 points for the Cougars (22-8, 11-6 West Coast Conference) and Childs had 13 rebounds for his 14th double-double. The third-place Cougars close the regular season at home on Saturday against league-leader and No. 6 ranked Gonzaga.
Marcus Shaver Jr. scored 21 points for the Pilots (10-20, 4-13), who dropped their fifth straight.
Childs had six points as the Cougars scored eight straight points and Bryant had a 3-point play to end what turned into a 13-2 run for a 24-13 lead midway through the first half. Childs had 15 points as the Cougars led 42-28 at the break.
Portland scored nine straight to get within nine with 12:07 to go but got no closer. A Shaver trey at the 5:21 mark was the last time the Pilots trailed by single digits.
Late steal and layup lifts Pacific over CSU Northridge 79-77
Brandon McGhee stole it from Darius Brown II with 5 seconds left and passed it ahead to Roberto Gallinat for the winning layup to help Pacific beat CSU Northridge 79-77 on Sunday.
Casimir, Day lead Florida Gulf Coast to 76-53 win over UMBC
Schadrac Casimir and Decardo Day scored 14 points apiece to help Florida Gulf Coast beat UMBC 76-53 Sunday night.
Palmer scores 29 to help Nebraska beat Oklahoma State 79-56
Nebraska got 29 points from James Palmer Jr. and the Huskers pulled away in the second half to defeat Oklahoma State 79-56 on Sunday night at the Sanford Pentagon.