Abstract
Do retired professional baseball players become effective coaches? Are Taiwanese coaches up to the job of coaching in the Chinese Professional Baseball League (CPBL)? What are the key coaching factors affecting a CPBL team’s performance in the regular-season? In this study, we examine the key coaching factors affecting the efficiency of CPBL teams from the perspective of efficiency and productivity, using network data envelopment analysis, truncated regression analysis, and bootstrapping methods to provide specific recommendations. We calculated the efficiency of each CPBL team from the 2014 to 2016 regular-seasons. First, the “ex-member” indicator had a significant negative impact on team performance, indicating that a coaching team consisting of coaches with different backgrounds or experience is advantageous to a team’s performance in games; and second, the “ex-professional player” indicator had a significant impact on team performance in the regular season, indicating that the valuable experience of retired professional baseball players definitely has value. The proposed model, after being modified appropriately according to practical needs, can be widely applied to comprehensively track the coaching ability of professional baseball teams and coaches, as well as the players’ ability and efficiency, and will help implement improvements in all aspects of performance management with originality and significant impact.
Highlights
In 2020, the Chinese Professional Baseball League (CPBL) remained the only professional sports league in Taiwan
By analyzing the operation efficiency of CPBL teams and the performance of retired Taiwanese professional baseball players-turned coaches, we examined the effect of various environmental variables such as coaching experience, age, years of playing, advanced coaching training, educational background, and aboriginal status, and constructed the optimal efficiency model taking into account the above-described aspects and issues
* home runs (HR) [11,12]; Total bases surrendered (TBS): the total number of bases allowed for opponents, representing the offensive performance of the opponent, which is calculated the same way as Total bases gained (TBG) is calculated [11,12]; Ex-professional player: once played on a CPBL team as a professional player; Taiwanese coach: a player, coach, or head coach from the Republic of China; Aborigine: a player, coach, or head coach with aboriginal ethnicity in Taiwan
Summary
In 2020, the Chinese Professional Baseball League (CPBL) remained the only professional sports league in Taiwan. With four teams and a total of approximately 100 professional players, it is a cruel stage of superiority and inferiority and survival of the fittest, on which professional baseball players, each with a short sporting career, face the pressure of “changing jobs” frequently, a process during which players can feel helpless and heavy-hearted. CPBL players are the focus of the Taiwanese people and the media. They have been devoted to training and competitions from a very young age and have not been able to acquire skills in other professions; the employment issues they face after retirement are worthy of attention. Chen [1], through a questionnaire survey and in-depth interviews, investigated the social movement of 462 retired Taiwanese professional baseball players and found that the vast majority (70%), had a parallel flow of employment, e.g., coaching grassroots teams, but 19% had a downward flow, e.g., working in labor-intensive occupations such as the Public Works
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