Some people hold a belief that it is acceptable for professional sports players to display wrongdoing on duty or outside the pitch, as long as their performances are solid. Personally, as a sports participant, I firmly disagree that sportsmen and sportswomen have the right to make use of their best performances to manifest inappropriate behaviours. In the following part of this essay, an obligation to follow socially moral norms as normal citizens, and the model images of those sports players strongly shaping spectators’ behaviours, especially teenagers are thoroughly discussed as the two reasons for my statement.