Velocity training has pushed pitchers to their limits. Baseball is grappling with the injury risks

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FILE - Seattle Mariners relief pitcher Tayler Saucedo uses a weighted ball to warm up in the bullpen before a spring training baseball game against the Kansas City Royals, March 6, 2024, in Surprise, Ariz. Velocity training is the rage in baseball from the youth levels up through the majors. Players go through specialized programs often using series of progressively weighted baseballs in the hopes of speeding up their bodies and arms, pushing them to the limits of what might be possible for their age and ability. (AP Photo/Lindsey Wasson, File)