The news was announced on Monday night at a meeting of club members in Stuttgart.
"By extending his contract by one year, Mario has clearly shown that he thinks of no other club than Stuttgart," said general manager Horst Heldt.
© Copyright PA Sport 2007, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: https://www.givemesport.com/writeforgms