Keijuro Matsui (popularly known as KJ) (born October 16, 1985) is a Japanese professional basketball player for the Toyama Grouses of the B.League. He is a former guard for the Columbia Lions basketball team at Columbia University and the first Japanese native basketball player in NCAA Division I history. Matsui also played in the 2005 Nike Hoop Summit for the World Select Team, only the second Japanese to do so. In the summit he scored seven points in 11 minutes. Following his collegiate career, he relocated to his native country, where he has played ever since. Career statistics |- | align="left" | 2009-10 | align="left" | Hokkaido | 41 || || 17.05 || .413 || .399 || .757 || 1.78 || 0.44 || 0.27 || 0 || 6.76 |- | align="left" | 2010-11 | align="left" | Hitachi | 36 || || 22.17 || .417 || .349 || .800 || 1.58 || 0.81 || 0.28 || 0.05 || 8.42 |- | align="left" style="background-color:#afe6ba; border: 1px solid gray" | 2011-12† | align="left" | Toyota | 42 || || 18.83 || .449 || .424 || .813 || 1.76 || 0.55 || 0.36 || 0.07 || 8.69 |- | align="left" | 2012-13 | align="left" | Toyota | 42|| || 18.7|| .458||bgcolor="CFECEC"| .494*|| .814|| 2.2|| 0.8|| 0.2|| 0.1|| 9.6 |- | align="left" | 2013-14 | align="left" | Toyota | 54|| || 21.6|| .446|| .408|| .839|| 1.8|| 1.0|| 0.5|| 0.0|| 10.7 |- | align="left" | 2014-15 | align="left" | Toyota | 54||5 || 22.3|| .406|| .432|| .676|| 2.3|| 1.3|| 0.6|| 0.0|| 9.4 |- | align="left" | 2015-16 | align="left" | Toyota | 55||13 || 20.8|| .478|| bgcolor="CFECEC"|.449*|| .816|| 1.4|| 1.4|| 0.6|| 0|| 11.2 |- | align="left" | 2016-17 | align="left" | A Tokyo |59 ||6 ||16.8 ||.399 ||.395 ||.939 ||1.4 || 0.4||0.2 ||0.1 ||6.1 |- | align="left" | 2017-18 | align="left" | Mikawa |55 ||6 ||12.8 ||.440 ||.403 ||.677 ||0.9 ||0.9 ||0.4 ||0.0 || 4.9 |- References KJ Matsui Columbia Lions profile 1985 births Living people Alvark Tokyo players Columbia Lions men's basketball players Columbia College (New York) alumni Guards (basketball) Japanese expatriate basketball people in the United States Japanese men's basketball players Kyoto Hannaryz players Levanga Hokkaido players SeaHorses Mikawa players Sun Rockers Shibuya players Toyama Grouses players