Boston Red Sox: How David Ortiz got the Big Papi nickname

Former Twin David Ortiz said to have failed 2003 steroids test – Twin Cities

Big Papi, David Ortiz - HubPages

Papi! Papi! David Ortiz tours Baseball Hall of Fame - The San Diego Union-Tribune

Red Sox Legend David Ortiz Elected to Baseball Hall of Fame – NBC Boston

Growing up in the age of David Ortiz

Buckley: David Ortiz is about to be a Hall of Famer. In time, he'll be even more - The Athletic

Why David Ortiz's nickname is Big Papi (and other facts)

Big Papi by David Ortiz