who is the fastest baseball pitcher
There is no second place. It's off the page, and the maximum number of displayed pitches is 50. Aroldis Chapman has thrown the fastest pitch in baseball this season. He's also thrown the 49 fastest pitches after that. The closer for your favorite team throws hard, certainly. But there is only one Aroldis Chapman, and he's a freak.
1 In 2014, Aroldis Chapman becomes 1st pitcher to average 100+ mph for a season - 100.2 mph average fastball speed.  In 2014, Aroldis Chapman threw an amazing 395 pitches - 62% of his fastballs and 42% of his total pitches - over 100 mph.