The four remaining Pac-12 schools, California, Stanford, Oregon State and Washington State, will have options if they are looking for another conference.
A mass exodus has led to a seismic shift in the Pac-12 Conference. The “Conference of Champions” suffered what could be crushing blows after five schools announced defections from the league within hours of each other.
A group of Big Ten presidents has begun discussing the possibility of adding more West Coast schools to the conference if the Pac-12 continues to crumble.
Colorado's announcement Thursday that it will return to the Big 12 comes a little more than a year after USC and UCLA said they were ditching the Pac-12 to join the Big Ten.
Big 12 presidents and chancellors have voted unanimously to accept Colorado as a new member, clearing the way for the school to leave the Pac-12 and rejoin the conference.
Bella Murekatete had 16 points and 10 rebounds, Tara Wallack made a key 3-pointer with 24.7 seconds left and Washington State beat No. 17 UCLA 62-55 for its first-ever win at Pauley Pavilion.