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.
Add your answer. Steve Dalkowski, fastest pitcher of all time. I first heard of Steve Dalkowski a couple years ago from a dad on my baseball team, and the knucklehead who claims he could throw 120 mph reminded me of the story I found a couple years ago about him, so enjoy and tell me what you think.