April 11, 1984: Mariners' Alvin Davis homers off Dennis Eckersley
Open up, it's the police cards!
MLB 1984 year in review
What is your favorite absurd baseball stat or fact? Hard Mode: No Barry Bonds stats. : r/baseball
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Society for American Baseball Research
Wayback Machine: Alvin Davis, Mr. Mariner - Sportspress Northwest
Seattle Mariners on X: RT @MarinersPR: OTDIMH: 1984: Rookie first baseman Alvin Davis became the second @Mariners player to homer in his Major League debut. He l… / X
April 11, 1984: Mariners' Alvin Davis homers off Dennis Eckersley in major-league debut – Society for American Baseball Research
Wayback Machine: Alvin Davis, Mr. Mariner - Sportspress Northwest
Mariners best debut seasons
Society for American Baseball Research
