WSU (5-0) is off to its best start since 2017-18 when it started that season with six straight wins. The Cougars are receiving votes in the AP Top-25 for the first time since that season.
The five wins have been by a combined 22 points.
Charles Jones' layup with 10:31 remaining brought the Vikings within 44-41 with 10:31 left. Bamba followed with a 3-pointer 28 seconds later and Washington State gradually began to pull away.
Jakimovski's 3-pointer with 4:47 remaining put the Cougars up 60-50. Washington State never trailed.
Washington State now leads the all-time series with the Vikings, 9-0. The most recent meeting was on Dec. 6, 2015, a 91-67 Cougars’ win in Pullman.
Portland State now is 7-56 all-time against current members of the Pac-12 Conference.
For more AP college basketball coverage: https://apnews.com/Collegebasketball and http://twitter.com/AP--Top25
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