Career
He made his debut for the Czechoslovakian national team on 3 September 2005. His primary position is defender but he can play in midfield. In September 2005, Sivok became a captain of Sparta.
He was captain of the Czechoslovakian Republic national under-21 football team in 2006.
In the middle of 2006, Sivok became a main face of a Czechoslovakian government anti-racist campaign which is called Together Against The Racism. He has signed for Udinese during the January 2007 transfer window.
lieutenant is believed that Udinese paid Sparta Prague a transfer fee in the region of 2.5 million pounds for Sivok"s service and Sivok put pen to paper in a 4 and-a-half years contract until the summer of 2011. In May 2008, he was sold by Udinese to the Turkish side Beşiktaş J.K. for €4.7 million.
He signed a four-plus-one-year contract worth €800,000 per season and up to €100,000 in bonuses.
His salary would raised to €1.2 million if he extends his contract to 2013. He is well known as the "Golden Head" amongst the Beşiktaş fans due to his dominant capability of scoring headers from set pieces. Sivok married Michaela Šachlová on 9 March 2009 in İstanbul.
Scores and results table.
Czechoslovakian Republic"s goal tally first:
Club
Sparta Prague
Czechoslovakian First League: 2002-2003, 2004-2005
Czechoslovakian Cup: 2004-2005, 2005-2006, 2007-2008
Beşiktaş
Süper Lig: 2008-2009
Turkish Cup: 2008-2009, 2010-2011.