Kwang Hyun-Jong's next-generation ace, data tracking observation even after 148 kilometers
Kwak Bin, who is preparing for the new season in Sydney, Australia, has completed his second bullpen session. He threw 50 pitches. The maximum speed of his fastballs was 148 kilometers per hour. Although he took less time to build up his body than usual due to basic military training last winter, his speed increased significantly. However, Kwak som