Controversial MLB umpire Ángel Hernández retires after three decades

• Umpire was often target of criticism from fans and players
• 63-year-old sued MLB for racial discrimination

Longtime MLB umpire Angel Hernandez, who was often criticized for his calls, is retiring immediately.

During a career that lasted more than three decades, the 62-year-old Hernandez was often scorned by players, managers and fans for missed calls and quick ejections - some in high-profile situations.