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While Nolan Ryan holds the official Guinness record for fastest pitch (100.9 MPH, recorded in 1974), he isn't the only old-timer who could have given the current crop of flamethrowers a run for their money if the radar gun had been around. (clockwise from top left) Bob Feller, Walter Johnson, Steve Dalkowski, Nolan Ryan.

Photo: Hank Walker//Time Life Pictures/Getty Images; Walter Iooss Jr./SI; MLB Photos via Getty Images(2)

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