April 7, 1977: A snowy beginning for Toronto's major-league debut – Society for American Baseball Research
Rawlings puts the ball in baseball
Seattle Mariners play their first game, a 7-0 loss to the California Angels at the Kingdome, on April 6, 1977.
1970s Baseball History - This Great Game
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The Most Home Runs in a Season, Postseason and Career
Established in 1977 as part of that year's Major League Baseball expansion, the Toronto Blue Jays first called Exhibition Stadium home…
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Baseball stamps tell story of game's history and stars, and they're fun to collect - Sports Collectors Digest