Oakland A's fans: 'It's the worst feeling in the world
Amherst's Jonah Heim smacks first career grand slam off AL MVP Shohei Ohtani
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Oakland Athletics 2019 Top 50 Prospects
Athletics Acquire Jonah Heim From Rays - MLB Trade Rumors
Mariners Extra: 10 things to watch for in the final 10 games
A's Jonah Heim relishes overwhelming MLB debut, first big-league hit – NBC Sports Bay Area & California
Oakland A's prospect watch: Jonah Heim stepping up in High-A Stockton - Athletics Nation
Heim's second 2-run HR in 10th lifts Rangers over Mariners - The Columbian
Oakland A's recall Jonah Heim and Jordan Weems - Athletics Nation
Musgrove sharp and Tatis homers to lead the Padres to a 7-1 win over the Rangers National News - Bally Sports
Bryan Woo has rough major league debut as Rangers clobber Mariners
2020 Oakland A's Media Guide, PDF, Major League Baseball