<P> In 1978 , the conference added Arizona and Arizona State from the Western Athletic Conference , becoming the Pacific - 10 Conference or Pac - 10 . The invitations to the schools were extended in December 1976 , and the expansion formally announced in May 1977 . </P>
<P> In 1978 , the conference added Arizona and Arizona State from the Western Athletic Conference , becoming the Pacific - 10 Conference or Pac - 10 . The invitations to the schools were extended in December 1976 , and the expansion formally announced in May 1977 . </P>
when did the pac 8 become pac 10
when did the pac 8 become pac 10
1978
1978