- Bats Right, Throws Right
- Height 6' 2", Weight 190 lb.
 Biographical Information
Third Baseman J.B. Brett is the older brother of Ken Brett, Bobby Brett, and George Brett. He played for the Waterloo Hawks in 1968, hitting .088/.184/.176 in 24 games.
In 1985 the brothers bought the Spokane Indians. They have also purchased the Spokane Chiefs major junior hockey team, the Tri-City Dust Devils, and the High Desert Mavericks.