Life after cancer- Orioles' Trey Mancini wows at memorable Home Run Derby
Trey Mancini's Electric 1st Round of 2021 MLB Home Run Derby ⚡Baltimore Orioles
O's game blog: O's look to extend the winning streak - Blog
Sources - Baltimore Orioles slugger and cancer survivor Trey Mancini to compete in Home Run Derby - ESPN
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Trey Mancini beats cancer for triumphant return
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Life after cancer- Orioles' Trey Mancini wows at memorable Home Run Derby
Trey Mancini 2021 Home Run Derby
MLB: Orioles 1B Trey Mancini to play in Home Run Derby