Warren Buffett taught 2 investing rules to A-Rod that the baseball star used after getting his $250 million contract

• Alex Rodriguez became business partners with Warren Buffett when the Berkshire chief insured his baseball contract.
• The two met regularly in Omaha during his sporting career, A-Rod told Bloomberg TV on Tuesday.
• Buffett taught the superstar two investing rules that he still carries with him today.

Alex Rodriguez shared some of the advice Warren Buffett gave him after the baseball star signed a 10-year, $252 million contract in 2000.