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Mitch Keller and starting pitching depth arguably the biggest keys to Pirates' success this season | Pittsburgh Post-Gazette
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After experiencing breakthrough with Pirates in 2022, Mitch Keller focused on running it back | Pittsburgh Post-Gazette
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Pirates' Mitch Keller has confidence and another new pitch. Will he be the Opening Day starter? - The Athletic
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After strong July, might Pirates starter Mitch Keller finally be reaching his potential? | TribLIVE.com
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Mitch Keller's Stellar Performance Paves Way for 5-1 Pirates Win Over Marlins | Pittsburgh Baseball Now
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