Cincinnati Red's Aroldis Chapman threw a pitch at a blistering 105 mph during the 2010-2011 season when they went to the playoffs and fell short in the first round to the Phillies. Still Aroldis is...
No. The knuckleball is a perfectly legal pitch. The only pitches that are illegal are any pitch that utilizes a ball that is altered in any way (including foreign substances, like vaseline, spit,...