September 12, 2015: David Ortiz reaches career milestone with homers 499 and 500 in same game – Society for American Baseball Research
Manny Ramirez's walkoff home run lifts Red Sox - The Boston Globe
Red Sox trainer says David Ortiz played 'on stumps' during his walk-off season
The Big 50: Boston Red Sox: The Men and Moments that Made the Boston Red Sox: Drellich, Evan, Youkilis, Kevin: 9781629375656: : Books
Red Sox Top 10 games of the decade
David Ortiz promised to hit a home run for a sick boy fighting for his life. Then later that night followed through with it. : r/baseball
Big Papi, big goodbye: David Ortiz primed for final season
David Ortiz Hall of Fame candidacy discussion, examination
Guardians ALDS Game 3 takeaways: Oscar Gonzalez beats Yankees again
In '13, Ortiz proved his story is that of Boston itself - Sports Illustrated Vault