 While at Oxford , Bradley played one season of professional basketball in Europe , and eventually decided to join the New York Knicks in the 1967 – 68 season , after serving six months in the Air Force Reserve . He spent his entire ten @-@ year professional basketball career playing for the Knicks , winning two championship titles . Retiring in 1977 , he ran for a seat in the United States Senate the following year , from his adopted home state of New Jersey . He was re @-@ elected in 1984 and 1990 , left the Senate in 1997 , and was an unsuccessful candidate for the 2000 Democratic presidential nomination . 
