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The fasted fastball ever pitched was an 105.0 mph ball pitched by Aroldis Chapman de la Cruz on September 24, 2010, against the San Diego Padres. He had previously been clocked at 105 during his minor league stint, but because the minor league radars are not as trusted, it was disregarded.

Aroldis has also hit 103 mph several times and holds many of the fastest fastball records in MLB history.

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14y ago

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