Crispin was born at Underwood-Memorial Hospital in Woodbury, New Jersey, on July 18, 1979.[3] He starred as a 6-foot-0-inch (1.83 m), 185-pound (84 kg) point guard for Pitman High School, leading the Panthers to the New Jersey Group I state championship in 1997 while setting the Gloucester County's all-time scoring record for boys' high school basketball (2,651 career points). Crispin was one of the most prolific scorers and efficient point guards in NJSIAA History. He averaged 35.6 Pts/G his Senior and Junior campaigns and overall 24.9Pts/G over his four years. In 117 Career games including the playoffs, he only had one game that he failed to hit double digits in scoring.
Crispin only played in the NBA during the 2001-02 NBA season and split time with the Los Angeles Lakers and Phoenix Suns. He also signed with the Miami Heat in 2003[5] but was waived before the 2003–04 season began.[6][7] He played a total of 21 games and had averages of 3.8 points and 1.2 assists. His final NBA game was played on April 17, 2002, in a 89 - 76 win over the Dallas Mavericks where he only played for 24 seconds, substituting at the very end of the game for Dan Majerle. He recorded no stats in that 24 seconds.