In his career, Harrell had also played for the New England Sea Wolves, Toronto Phantoms, and Colorado Crush and Chicago Rush. He had also been named AFL Offensive Player of the Year twice (2005 and 2006), First Team All-Arena twice (2005 and 2006), Second Team All-Arena twice (2004 and 2007), AFL Offensive Player of the Month twice (February 2003 and April 2006), Offensive Player of the Game 24 times, and Game MVP 10 times. He also holds numerous Arena Football League records.