在全球化時代下，運動員遷移成為運動全球化下常見的行為之一。然而，近年來，許多職業運動員不僅只於工作場所上的遷移，而基於各種不同的動機和原因，選擇轉換國籍，拋棄原有的國家，成為歸化球員，許多國家也為了強化國家隊而主動去招募歸化球員。台灣分別在2011年和2013年分別招募了足球員陳昌源和籃球員戴維斯，不論是從戰績還是產業面來看，都被認為是相當成功的招募，本研究以三種研究方法來理解歸化球員在不同面向上帶來的效應。本研究發現，雖然不是唯一的因素，但只要能幫助球隊提升戰績以及有好的表現，歸化球員通常會帶來不錯的產業和技術效應；而在國族論述上，本研究發現，歸化球員在媒體再現上會歷經一段歷程，從原本的洋將，到認同測驗，再到愛國心表露，當被確認愛國心和有優異的表現，歸化球員就會成為媒體在國際情勢或是宣揚台灣美好的新角度。 / The globalization of sports has resulted in increasing labor migration across countries and continents. Recent years, many athletes choose to be naturalized base on different reasons, and many countries also recruite naturalized athletes to enhance the performance of national team. In 2011 and 2013，Taiwan recuited football athlete Xavier Chen and basketball athlete Quincy Spencer Davis III, and they bringed not only good result from international competition but positive influence on economic level. This research found out that if naturalized athletes can help national team become better and also have good personal performance, they can bring positive economic and skill influence. And this research found out the media representation on naturalized athletes has a unique context, from the beginning, media represent the naturalized athletes as foreign players, then after positive result from team and personal performance, media will giva a loyalty and familiarity trials and use their patriotic speech to strengthen the nationalism.