He played two seasons in the Royals organization as a first baseman and catcher, reaching Class A. Harrel began his coaching career as an assistant in the junior college ranks.
After serving at Clackamas, Bakersfield, and Taft, he earned the head coaching position at Lane Community College in Eugene, Oregon.
Over seven seasons with the Titans, Harrel compiled a record of 223–92 and claimed the 1999 NWAACC Championship.
He was named Southern Division Coach of the Year four times and helped build the program with fundraising and facilities improvements during his tenure.
He served four seasons, working with infielders, hitters and helping with recruiting and several other administrative tasks.