September 12, 2015: David Ortiz reaches career milestone with homers 499 and 500 in same game – Society for American Baseball Research
Explore each of David Ortiz's 558 career home runs - The Boston Globe - The Boston Globe
David Ortiz hit so many home runs, he may have forgotten a few. The pitchers he hit them off haven't. - The Boston Globe
Coming to Red Sox changed David Ortiz's career, and he changed course of history for franchise - The Boston Globe
David Ortiz - Boston Red Sox Designated Hitter
David Ortiz: Baseball Hall of Fame induction — The Boston Globe
Explore each of David Ortiz's 558 career home runs - The Boston Globe - The Boston Globe
David Ortiz is proof of the value a franchise player can have, both during and after their playing days - The Boston Globe
David Ortiz: Baseball Hall of Fame induction — The Boston Globe