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Since accurate and efficient radar guns have been around for only 35 years or so, we will never know who the first pitcher to break 100 MPH was. Bob Feller told people he had been clocked at 107 MPH at Griffith Stadium in Washington. But without accurate equipment, who knows? The first pitcher, who it is agreed upon that was clocked at 100+ MPH, was Nolan Ryan who was clocked by the Guinness Book of World Records at 100.9 MPH in a game on August 20, 1974.

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17y ago

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