For many years, the average speed of pitchers playing in Taiwan has topped out at around 140 km / h, but Wang Chien-min, Tsao Chin-hui, and Kuo Hung-chih, who play in the US, can all throw at around 155 km / h.
長期以來，國內職棒投手球速普遍停留在時速一百四十公里級，但在美國打拚的王建民、曹錦輝和郭泓志等人卻都有一百五十五公里左右的實力。