Rowland went undrafted in the ensuing 2004 NBA draft. He instead emabarked upon a professional career that spanned 15 seasons and took him to numerous countries around the world. His professional single game career highs were 31 points (three times), 18 assists (April 21, 2007), and 6 steals (two times). After the 2018–19 season Rowland retired from playing professional basketball.