From 1969 to 2019: A Timeline of the Padres in the MLB - San Diego Magazine
Mack's Mets: Mets Games Played On This Date: April 8
Your guide to sports teams in San Diego, California - SDtoday
1969 09 14 Padres at Dodgers
1969 Baseball History - This Great Game
Montreal Expos team ownership history – Society for American Baseball Research
Dave Winfield: 31 Days until Padres' Opening Day
Original Met, Padre Chris Cannizzaro dies
This Date in Mets History: April 8 — Mets inaugurate the Expos, Gary Carter's birthday - Amazin' Avenue
Dodgers to Honor 40th Anniversary of Fernandomania
Baseball history unpacked, April 8 - Bleed Cubbie Blue
UNBELIEVABLE! 8-3-5 Triple Play Hasn't Happened In 139 Years
Something from Nothing: How the Royals, Padres, Expos and Brewers sprung to life 50 years ago - The Athletic