With triple-digit arms becoming more common across major league baseball, eyes are turning toward the minor-league level in order to study how these high-octane arms are being developed.For some, the velocity comes quickly. For others, it can be a drawn-out development process, one that depends heavily on a scouting department recognizing that potential early on.With more of these flame-throwing pitchers sprouting up across the league, it can be tricky to narrow down the most intriguing or rank them accordingly. Instead, I will highlight four players currently on an upward trend within their respective organizations. While they haven’t clocked in at young-Aroldis-Chapman speeds, a few of the names below hold enough projection to where their current triple-digit readings could still add a few more ticks in the coming years.Let’s take a look.



All stats are through Tuesday.



Brailyn Marquez, LHP, Chicago Cubs



Age: 20 Height: 6-4 ...