Son Seong-bin's value was clear from the beginning of his joining. Since his days at Jangan High School, he has been recognized for his strong arms and stable pitching lead ability, and has been evaluated as a leader who will carry the team's future, but the bar for becoming a professional was high. In particular, his disappointment in batting caused him to be labeled as a ‘catcher who can only play defense’. In 2024 and last season, poor performance at the plate was the biggest obstacle to his advancement to the starting lineup, and there was a significant burden within the team to hire a catcher full-time who did not have offensive power. However, through his experience at Sangmu and a steady period of adaptation to the first team, Son Seong-bin began to overcome his weaknesses head on. Beyond simply catching and throwing the ball, it is evolving to increase actual team contribution, such as increasing concentration at the plate and increasing on-base percentage in the lower batting lineup.

In June 2026, Son Seong-bin's true value is proven by records. The hot bat, with a monthly batting average exceeding .305, is acting as a key driving force to offset the overall ups and downs of Lotte's batting lineup. Coach Kim Tae-hyung also has a coaching philosophy that emphasizes defensive stability over offense, but he has recently chosen Son Seong-bin as the starter in every important game, showing deep trust in him. This means that he has grown into not just a player who is good at defense, but also a player with ‘baseball intelligence’ who can read the overall flow of the game and create opportunities at the plate. By faithfully performing the role of a stepping stone from the bottom of the batting order to the top, Lotte is regaining its offensive structure, which is interpreted as the most positive sign for a rebound in team performance.

Of course, Son Seongbin’s future is not without challenges. Baseball experts also highly evaluate his potential, but at the same time sharply point out realistic areas of improvement. As commentator Heo Do-hwan analyzed, the fact that the detailed ability to block stolen bases, which was a strength in the past, has become somewhat dull is something that must be revisited. Additionally, the physical limitations experienced as a full-time starting catcher can be directly related to a decrease in defensive concentration, which in turn risks affecting the catcher's original duties, such as leading the pitcher and blocking. As the position of catcher itself is extremely physically demanding, it is essential for Son Seong-bin to acquire his own know-how in managing his physical strength and to further refine his detailed defensive techniques in order to maintain his current upward trend until the end of the season.

Looking at the entire KBO league, catchers in their 20s are currently more abundant than ever before. While young catchers representing each club, such as Kim Hyung-jun, Han Jun-su, and Cho Hyeong-woo, are competing fiercely and raising the level of the league, Son Seong-bin has also joined the leading group in the competition for the ‘next generation home manager’, standing shoulder to shoulder with them. Each of them has his or her own style as an offensive, defensive, or leadership catcher, and they are growing by complementing each other's strengths and weaknesses. What Son Seong-bin needs is to maintain his current pace rather than being impatient and to further strengthen his chemistry with his fellow pitchers. In order to follow in the footsteps of legendary seniors like Yang Eui-ji and Kang Min-ho, the most important thing is to improve your skills and steadily build up your experience as a ‘victory fairy’ who leads your team to victory.