The 2001 China Jia B League Match Fixing, also called the Five Jia B Rats incident (甲B五鼠事件) in China, was a series of match fixing involve five football teams (Chengdu Wuniu, Jiangsu Sainty, Changchun Yatai, Zhejiang Greentown and Sichuan Mianyang) in the final rounds of the 2001 Jia B League (present day China League One). It is widely recognized as an example of indisputable match fixing in the history of Chinese football.
Before the final round of the Jia B league that year, Shanghai Zhongyuan Huili had already secured its promotion to the Jia A League. There were three teams fighting for the runner up position. Both Chengdu Wuniu and Changchun Yatai had 39 points, with Jiangsu Sainty was one point behind. The last available promotion place was expected to be decided by net goal difference.
There was already public outrage at the result of previous round, where Chengdu Wuniu beat Sichuan Mianyang, a team in the same province, with a score of 11-2, a new Chinese record. Chengdu thus gained advantage on a goal difference of +21, overtaking Changchun's +18. In another match, Shanghai Zhongyuan Huili beat competitor Guangzhou Geely 3-2 with an offside goal in the injury time of second half and won promotion to the first tier. Players of Guangzhou Geely refused to return to the field after Shanghai Zhongyuan Huili scored the winning goal and their striker Bertin Tomou waved money towards the referee. Under public pressure, the Chinese Football Association decided to kick-off the final round at the same time in all stadiums, hoping teams would have less time to consider the need of match fixing based on the results of other teams.