However , the Seals were never successful at the gate , and eventually moved to Cleveland to become the Cleveland Barons in 1976 .
Based in Oakland , California , they played their home games at the Oakland -- Alameda County Coliseum Arena .
The Seals were never successful at the gate , and eventually moved to Cleveland to become the Cleveland Barons in 1976 .
Based in Oakland , California , they played their home games at the Oakland -- Alameda County Coliseum Arena .