Oregon State 64, Colorado 58: Eric Moreland recorded 17 points and 10 rebounds as the visiting Beavers snapped a five-game losing streak.Roberto Nelson scored all 15 of his points in the second half and Joe Burton added 10 points and nine rebounds for Oregon State (14-17, 4-14 Pac-12). Nelson avoided being fouled and drove for a basket with 13 seconds left to give the Beavers a 62-58 lead.Spencer Dinwiddie scored the final 12 Buffaloes' points and finished with 18 as Colorado (20-10, 10-8) remains squarely on the NCAA Tournament bubble and will be the No. 5 seed in the Pac-12 tournament. The Buffaloes played their second straight game without Andre Roberson - the nation's leading rebounder at 11.5 per game, who reportedly has mononucleosis.Colorado went on a 12-0 run - five by senior Sabatino Chen, playing his final home game - to take a 21-14 lead with 8:29 left in the first half. The Beavers responded as Moreland scored seven of his 11 first-half points to help trim the deficit to 29-27 at the break.Nelson's 3-pointer 43 seconds into the second half gave the Beavers the lead for good and they stretched it to 49-41 on Moreland's bucket with 10:15 remaining. The Buffaloes chipped the deficit to 56-53 on Dinwiddie's 3-pointer with 2:02 left, but could get no closer.GAME NOTEBOOK: Colorado fell to 44-7 at home under coach Tad Boyle. ... Oregon State won in Boulder for the first time in eight tries. ... The teams combined to make 18 of 20 free throws.