The Cuban Missile, Aroldis Chapman, may have thrown a 105.1 mph fastball in 2010 to set a Major League record, but (SPOILER ALERT) 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.Apr 22, 2015
Per Wiki
Nolan Ryan was measured at 10 feet from the plate
So by today's standards, he would have been at 108mph
When Pete Rose is asked who the most difficult pitcher he faced was, he always says Bob Gibson.
He hit both Gibson and Ryan, so that somewhat surprised me.
Gibson was fast, but no way he was over 100mph.
Gibson was known to be very "intimidating". (His own teammates were scared of him on game days, he was so intense). Glaring at batters and brushing them back, so maybe that is what Rose meant.
Or Gibson threw hard, but had tremendous movement.
if I ever meet Rose, I'll ask him.