Houston Rockets (1997–1998) Zwikker was selected by the
Houston Rockets with the first pick of the second round (29th overall) in the
1997 NBA draft, and spent one season on the Rockets' bench. However, he did not record any playing time. Due to the 1998 NBA lockout, he signed a three-year contract with
TAU Cerámica in
Vitoria-Gasteiz,
Spain. On January 22, 1999, the Rockets renounced the rights to Zwikker.
Return to Europe (1998–2000) Zwikker played
Euroleague basketball in 1998–99, first playing for
TAU Cerámica in
Vitoria-Gasteiz,
Spain, and then for
Gorizia in Italy. After only ten games with
Gorizia, his season ended due to a back injury. At the beginning of the 2000–01 season, he played three games for
Conesco Den Helder in his native Netherlands.
National team Zwikker played in the 1990 European Championship for Junior Men and later also represented the Dutch men's national team. ==Personal life==