Transgender is also an umbrella term: in addition to including people whose gender identity is the opposite of their assigned sex (trans men and trans women), it may include people who are not exclusively masculine or feminine (people who are genderqueer, e.g. bigender, pangender, genderfluid, or agender).
Chapman holds the record for the fastest recorded pitch speed in MLB history at 105.1 mph (169.1 km/h) as well as the Guinness World Record for fastest baseball pitch for a male.
Nothing intimidates batters like the fastball. In baseball speed kills and pitching or throwing velocity is important for many reasons. Pitch speed is important because the fastball is one of the hardest pitches to hit. The speed at which a ball is thrown is also crucial for all infield and outfield plays. Stopping a runner from stealing second, getting the ball to first base and throwing the ball to home plate all require good velocity.