Possible Clues:

• See 35 Across
• Who famously said 'I really didn't say everything I said'
• Yogi who said "You can observe a lot by just watching"
• Hall of Famer who said “I really didn’t say everything I said”
• Hall of Fame catcher Yogi
• Utterer of "Yogi-isms"
• Yogi who said, "The future ain't what it used to be"
• Catcher in Larsen's perfecto
• Yogi the baseball legend
• Three-time A.L. MVP