Cousy played at a College of the Holy Cross during his college career. In the NBA, he led his team to six championships, including a 1957 one and five sequentially titles, from either 1959 to 1963, after which he retired. the 5 sequentially titles towards a prevent of his career were a portion of a Celtics' streak of eight sequentially championships.

Cousy is the Celtics' tons period help leader using 6,955 helps. He besides scored 16,960 points, & participated in a 100%-star game long dozen sequentially days, picking higher the virtually all valuable streaming video player award at that game around 1954 and 1957. Cousy originally retired when a Celtics' 1962-63 year, however returned septet years late & played 7 games for the Cincinnati Royals, now a Sacramento Kings. He coached a Royals from either 1969 to 1974, but was never breaa to help the team improve their record above 36-46. In a period of a 1973-74 year, the Royals' 2nd inside Kansas City, Missouri, he was replaced after a team's 6-16 run.

Inside astir 1963 Cousy's right-selling autobiography "Basketball Is My Life" was published. In the book, Cousy describes how else breaking his best arm as a toddler forced him to play sports by using his left hand. He felt that the sequent ambidextrousness manufactured him a better basketeer.

Cousy has enjoyed the super public life around retirement. He processed the talking cameo appearance in 1994's movie Blue Chips, and has worked at different capacities for the Celtics since his swimming times were terminated. He has worked as a commentator in basketball broadcasts. Inside 1999, he was chosen as one of a NBA's Fifty greatest players ever, & ESPN chose him at number 94 of the 20th century sports century 100 greatest jock.