Van Den Spiegel first began playing basketball in the youth age club ranks of Osiris Denderleeuw, from 1987 to 1995, and then with the youth clubs of
Okapi Aalst. He debuted at age 17, in the
Belgian first division. He was named Belgian League Rookie of the year in 1996. In 1997, he moved to
Sunair Oostende. With Oostende, he won two
Belgian League championship titles and 2
Belgian Cups. In 2001, he was named the
Belgian Player of the Year, and he then signed a three-year contract with the
top-tier level Italian LBA League club
Fortitudo Bologna, where he was a
EuroLeague runner-up in
2004. He them moved to the Italian club
Virtus Roma. After a season-and-a-half with Virtus Roma, he chose the Russian club
CSKA Moscow, as his next career destination. With CSKA Moscow, Van Den Spiegel won the
EuroLeague championship in both
2006 and
2008. With CSKA, he was also a EuroLeague runner-up in
2007. With CSKA, Van Den Spiegel also won three
Russian Championships and two
Russian Cups. After a couple of short stints, one in Poland with
Prokom Trefl Sopot, and one in Ukraine with
Azovmash Mariupol, he played two seasons with
Real Madrid. After moving to the Italian club
Olimpia Milano for the 2010–11 season, he moved back to the Belgian League, in early 2011, as he signed a -year contract with
Telenet Oostende in March 2011. He announced his retirement from playing basketball, in July 2013. ==National team career==