Oakland A's prospect watch: Jonah Heim gets first career hit in MLB debut - Athletics Nation
Jonah Heim's first MLB home run, 04/06/2021
Baseball's Year of the Late Bloomer National News - Bally Sports
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Oakland A's move to Las Vegas could be followed by success
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Oakland A's recall Jonah Heim and Jordan Weems - Athletics Nation
Mariners Game Notes — September 12 vs. Los Angeles-AL, by Mariners PR, Sep, 2023