Alexander played five seasons in the National Basketball Association (NBA) for the Golden State Warriors and Detroit Pistons.

The burly center was named a first-team All-Big Eight Conference choice in 1989 and 1991, and his 1,892 career points scored ranks fourth all-time in the school's history.

As of 2010, Alexander still held the Iowa State University career highest field goal percentage record (min.

Alexander played five seasons in the National Basketball Association (NBA), mainly with the Golden State Warriors, from 1991 to 1995.

[6] Alexander also played overseas, for top teams in Greece (AEK Athens and PAOK), Israel (Maccabi Tel Aviv), Spain (TAU Ceramica) and Russia (CSKA Moscow).