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.
Fastest Pitchers Ever Recorded in MLB History. The Most Comprehensive List Since 2008 - Updated through World Series Game 4 10/27/2014. The question of which pitcher throws the hardest has been one of the most hotly debated questions in all of sports.