The Sophomore League was a Class D circuit which operated from 1958 through 1961.
Sophomore (D 1958-61)
Albuquerque, NM:1960-61
Alpine, TX: 1959-61
Artesia, NM: 1958-60
Carlsbad, NM: 1958-61
El Paso, TX: 1961
Hobbs, NM: 1958-61
Midland, TX: 1958-59
Odessa, TX: 1959-60
Plainview, TX: 1958-59
San Angelo, TX: 1958
San Angelo/Roswell, TX/NM: 1959