Related Clues:

• Russian, perhaps, one with leading position
• Tennis legend Lendl
• Catcher Rodríguez inducted into the Hall of Fame in 2017
• "Great" or "Terrible" czar
• Pavlov with a Nobel Prize
• 'Creed II' antagonist ___ Drago
• Lendl in the International Tennis Hall of Fame
• The Slavic version of John
• Hall of Fame catcher Rodríguez nicknamed "Pudge"
• Tolstoy's "The Death of ___ Ilyich"
• Tyrannical ruler found in previous answer, after all
• Slavic fellow removing daughter from bed
• Pavlov who studied dogs
• "Terrible" man of history
• Slavic equivalent of "John"