Claim: The 2003 NCAA Division I Men's Basketball Tournament featured the top tier of intercollegiate players.
Evidence: The 2003 NCAA Division I Men 's Basketball Tournament involved 65 schools playing in single-elimination play to determine the national champion of men 's NCAA Division I college basketball.
Division I -LRB- D-I -RRB- is the highest level of intercollegiate athletics sanctioned by the National Collegiate Athletic Association -LRB- NCAA -RRB- in the United States.