Why David Ortiz's nickname is Big Papi (and other facts)
Did David Ortiz Get Away With Cheating? - Baseball Egg
Boston Red Sox: How David Ortiz got the Big Papi nickname
Big Papi's finale: What Ortiz has meant to the Red Sox and to Boston
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David Ortiz – Society for American Baseball Research
Big Papi stole spotlight as first year pro in Minor Leagues
Baseball Hall of Fame: David Ortiz In; Barry Bonds, Roger Clemens Out
Papi! Papi! David Ortiz tours Baseball Hall of Fame
David Ortiz: My Interview With Big Papi
David Ortiz Begins His Last Slow Trot Before Retirement
Big Papi is called 'Cooperstown,' but does he belong in Cooperstown?