UCLA guard Jaime Jaquez Jr., right, tries to get by Southern California forward Isaiah Mobley during the second half of game on March 5 in Los Angeles. UCLA and Southern Cal are reportedly planning to leave the Pac-12 for the Big Ten Conference in a seismic change that could lead to another major realignment of college sports. MARK J. TERRILL/AP FILE PHOTO
By Ralph D. Russo and Eric Olson AP College Sports Writers UCLA and Southern California are planning to leave the Pac-12 for the Big Ten…