Nolan Ryan's record 108 mph fastball

TIL Aroldis Chapman holds the record for fastest pitch at 105.1 MPH. When Nolan Ryan played they clocked pitches at 10 feet from the plate, now they clock it at release point.

Valley News - Time to Douse the Fire? Fastball Mania May Put Young Arms On the Brink

Baseball-Reference.com - Today in 1977, Nolan Ryan recorded his fourth career 19-strikeout game, pitching the first 10 innings of a game against Toronto.

The Baseball Analysts: Remembering the Ryan Express

Bringing the heat - Royals Review

How fast did Nolan Ryan throw a fastball? - Quora

Facing Nolan': A Worthy Tribute to an MLB Great - Hollywood Insider

Aroldis Chapman's 105mph fastball shows speed isn't everything in sports, MLB

Fastest MLB pitches ever thrown: Where Hunter Greene, Jordan Hicks rank in history

Still Throwing Heat by J. R. Richard, Lew Freedman, Nolan Ryan - Ebook