This Date in Mets History: April 15 — MLB holds the first Jackie Robinson Day at Shea - Amazin' Avenue
Brooklyn Commemorates What Would Have Been Legendary Jackie Robinson's 100th Birthday - CBS New York
The Dodgers Celebrated Jackie Robinson Day in Grand Fashion
Colorado Rockies to Honor Larry Walker on September 25, 2021
The Camden Yards effect: A close look at 25 years of new ballparks – The Denver Post
Jackie Robinson's Legacy Recedes on Baseball Rosters - The New York Times
Jackie Robinson Day: A look at his first 10 days in the big leagues - Sports Illustrated
David Ortiz: An Obvious Hall of Famer - Cooperstown Cred
The Camden Yards effect: A close look at 25 years of new ballparks – The Denver Post
What Happened Behind The Scenes After The Denver Nuggets Won?