Multi-sport episode this week featuring our friend Casey McGrath, and one of our favorite authors Dave Zirin! Dave stops by to chat about his new book "The Kaepernick Effect" and sticks around for some baseball, basketball, football, and a little boxing trivia. Check it out!

Follow Casey on Twitter

Follow Dave on Twitter, and visit Edge of Sports

Buy "The Kaepernick Effect" at your local bookstore, or here.