Who are the minor characters in million dollar throw?

In "Million Dollar Throw" by Mike Lupica, minor characters include Abby, the protagonist's best friend, who provides emotional support; Coach, who mentors the main character, Nate; and Nate's parents, who represent the challenges and pressures of his life. These characters contribute to the development of the story and highlight themes of friendship, family, and perseverance. While they may not be the focus, their roles add depth to Nate's journey.