MLB’s 2021 season is delivering wild numbers: eye-popping speed on the average fastball, and crazy-low batting averages. Look no further than the dominance of New York Mets ace Jacob deGrom. ESPN Baseball Insider Jeff Passan tells us why fastballs are faster and sliders more nasty. Hear how it’s all changing today’s game in ways that could harm its appeal, if MLB doesn’t take action. Then, an all-time hockey record is breaking tonight, and the two players involved and their careers couldn’t be more different.

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