He played most of his career for Stade Toulousain in the Top 14 club competition in France.

[2] His good form at Toulouse was rewarded with selection in the France squad for the 2005 mid-year Test against South Africa.

He went on to make his international debut against the Springboks on 18 June in Durban which resulted in a 30-all draw.

That year Fritz earned further international caps for France in matches against Australia in Marseille and South Africa in Paris.

He was named in the French Rugby Squad for the Six Nations in 2009.