Complex sentence: Jean-Joël Perrier-Doumbé, popularly known as "Joe Doumbé", started his career at AJ Auxerre, making over 50 first-team appearances before moving to Rennes in 2004.
Split into simpler sentences: Jean-Joël Perrier-Doumbé, popularly known as "Joe Doumbé". He started his career at AJ Auxerre, making over 50 first-team appearances before moving to Rennes in 2004.