I was attending their Injuries in Baseball conference ... about the athlete's arm and body that have been validated from Motus' motion-capture database. In fact, the Sleeve is nearly as good ...

In a stats-driven sport like baseball ... to be a common compression sleeve. Research assistant Michael O'Connell helps with the fitting. "So just put your arm out, palm up," O'Connell says ...

As it turns out, Cespedes wears an arm sleeve which is a compression apparel product seen in many different sports, including football, baseball ... court, or ice. They want to perform well ...