Related Clues:

• Yankee nickname since '04
• Famous bear or catcher
• Much-maligned multimillionaire Yank
• 2005 A.L. MVP, familiarly
• Boo Boo's mentor
• Jellystone Park notable
• Lawrence Berra's nickname
• 2003 and '05 A.L. M.V.P.
• He's flexible
• Youngest player in history to reach 450 HRs
• He's smarter than the average bear
• Yank since '04
• Yankee's nickname
• 2003 A.L. MVP
• Eastern guru