9 Most Hated Players In The MLB: Bryce Harper, Nationals. So young, yet so hated. At 22 years old, the media is already treating the young player like a legend. So naturally, he acts like he is one. While Harper groupies may try to justify Harper’s “I am the Baby Jesus of baseball” attitude with his young age, Harper has repeatedly argued with umpires, blown kisses at pitchers during runs and compares himself to Hercules.