Billy Hamilton is the fastest player in Major League Baseball. At least, that was the case in early 2015 when he was measured at a top speed on the bases of 21.2 mph, eclipsing both Dee Gordon and Mike Trout by a smidge when clocked stealing bases. If you’re not convinced that base-stealing speed is the best measure of Billy’s overall top speed, perhaps a reminder of how much ground he covers in the outfield compared to his peers will decide for you.
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