Sherman "Big Train" Bergman is a retired kick-boxer from Florida who was a promising prospect in the 1980s; noted for his knockout punch. Bergman had the unique experience of competing against three actors who appeared in the motion picture, The Expendables; Jean-Claude Van Damme, Mickey Rourke, and Gary Daniels. He is also credited as the only fighter to have knocked down Jean-Claude Van Damme in sanctioned competition.