The primary and most fiercely contested athletic rival for Cal Poly across multiple sports, including men's and women's basketball, is its long-standing coastal counterpart, UC Santa Barbara. Known formally as the Blue-Green Rivalry, games between the Cal Poly Mustangs and the UCSB Gauchos carry immense regional pride, intense fan engagement, and high stakes within the Big West Conference. Whether meeting on the hardwood of the Mott Athletics Center or on the soccer pitch, matchups between these two institutions consistently bring out the absolute most competitive energy from players and student sections alike.