The SCBA was the southern division of a baseball - only merger of the Pacific Coast Athletic Association ( PCAC ) and the West Coast Athletic Conference ( WCAC ) .
The SCBA began play in the 1977 season .
The SCBA , which began play in the 1977 season , was the southern division of a baseball - only merger of the Pacific Coast Athletic Association ( PCAC ) and the West Coast Athletic Conference ( WCAC ) .