Koren Johnson, a shining light for the University of Washington basketball team not too long ago, has re-emerged in the Northwest after signing with Portland State on Wednesday. The 6-foot-1 Johnson -- who was named the 2024 Pac-12 Sixth Man of the Year -- joins his third team since leaving Montlake after unfulfilling stops at Louisville and Ole Miss. He will share himself with a re-energized Portland State program that went 20-11 and won the regular-season Big Sky championship last season while he comes looking to get his game back on track. Leaving the UW after Mike Hopkins was fired, Johnson played just two games for Louisville before suffering a season-ending shoulder injury. He previously had shoulder surgery before ever playing a game for the Huskies, so there is a medical history there that subsequently might have affected his play.…