Gamesmanship is the art of winning by underhand or devious means. Hernandez, 27, is already serving a life sentence for the 2013 killing of Odin Lloyd, a semi-professional football player who was dating the sister of Hernandez’s fiancee. Balancing intensity with proper recovery is also important. has not always been associated with sporting equanimity – and Justin Rose in a fiercely competitive but mutually respectful manner.