Nationals' 18-Year-Old Blows 101 MPH Heater by Cardinals' Top Prospect JJ Wetherholt

The St. Louis Cardinals' top prospect, infielder JJ Wetherholt, has been a must-watch player in spring training this year. But one of the Washington Nationals' young pitching prospects put his own name on the map after throwing a triple-digit heater by the highly touted Wetherholt.

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