Watch it again... conclusion was quite different. This is from an article in Sports Illustrated concerning said conclusion: "The Cuban Missile, Aroldis Chapman, may have thrown a 105.1 mph fastball in 2010 to set a Major League record, but when you correct for radar gun placement, Nolan Ryan's legendary 1974 heater clocked at 100.9 was really the top speed ever, at a blazing 108.5 miles per hour."