2003 | 2003 in music | 2003 invasion of Iraq | Eredivisie | 2003 ATP Tour | 2003 Pan American Games | 2003 Rugby World Cup | Communications Act 2003 | 2003 in film | Ontario general election, 2003 | 2003 World Series of Poker | 2003 World Championships in Athletics | 2003 in television | 2003 in baseball | Quebec general election, 2003 | 2003 Cricket World Cup | Party Monster (2003 film) | 2003 NFL season | Peter Pan (2003 film) | New South Wales state election, 2003 | 2003 WTA Tour | Underworld (2003 film) | New Brunswick general election, 2003 | Eurovision Song Contest 2003 | Criminal Justice Act 2003 | 2003 in sports | Windows Server 2003 | National Assembly for Wales election, 2003 | Monster (2003 film) | CAN-SPAM Act of 2003 |
In 2003–04, he made 31 league appearances and scored one goal as Heerenveen finished in fourth place, qualifying for the 2004–05 UEFA Cup.