A 6'5" (1.95 m) and 190 lb (86 kg) shooting guard, he was selected by the Portland Trail Blazers in the first round (22nd pick overall) of the 1989 NBA draft.

Irvin was there from 1984/85-1985/86, then transferred to the University of Missouri Played for Hall of Fame Coach Norm Stewart (1987/88-1988/89, after having missed the 1986/87 season).

Irvin played in NBA for three seasons: 1989–90 for the Portland Trail Blazers and 1990–91 and 1992–93 for the Washington Bullets, averaging 5.2 PPG in his career.

He also played in the Continental Basketball Association and overseas in Spain, Greece, Israel, Argentina, Switzerland, Philippines, Belgium, Dominican Republic, and Venezuela.

He is Senior Vice President of Basketball Relativity Sports, and has represented NBA players such as Shawn Marion, Jason Terry, Al Harrington, Stephen Jackson, Joey Graham, Stephen Graham, Reggie Evans, Kris Humphries, Melvin Ely, Justin Williams, Isaiah Thomas, Nene Hilario, Erick Dampier, Darington Hobson.