Gianni Zuiverloon, born 30 December 1986 in Rotterdam, Netherlands. He started his football career at the age of six, when he got tired of other sports such as karate and swimming. His mother, who did not know much about football, called the first team she found in the yellow pages, which was Feyenoord. The club allowed Zuiverloon to join a youth training session, and after having proven himself at this session he was allowed to join the club, where he spent 11 years in various youth teams.
Due to the injury of a team mate at Feyenoord, coach Ruud Gullit selected Zuiverloon for the first team, where he made his debut in professional football in the season of 2004–05. His first game was against Willem II Tilburg, on 22 August 2004. He played a total of ten games that season. In order to get more first team experience he was loaned out to RKC Waalwijk in the 2005–06 season, where he played a total of 28 games.
In June 2006 he signed a three-year deal with his new club Heerenveen. The year before he was loaned to RKC Waalwijk. On 2 July 2008 it was confirmed by Heerenveen that he had signed a three-year deal, with an extra year in the club’s favour, for West Bromwich Albion of the Premier League for. He made his debut for West Brom in a 2–1 loss against Everton. His first Albion goal came in the FA Cup, in the 3–1 defeat to Burnley on 3 February 2009.
On 10 July 2011, Zuiverloon signed a 3-year deal for Spanish side Mallorca on a free transfer after being released from West Bromwich Albion. He made his debut for the club as Mallorca beat Espanyol 1–0 on 29 August 2011.
On 15 July 2012, Zuiverloon returned on loan to Heerenveen, where he had already played from 2006 to 2008. After his contract with Real Mallorca had been dissolved, Zuiverloon signed a three-year deal with Eredivisie side ADO Den Haag.
Three years later, he returned to Spain with Segunda División B club Cultural y Deportiva Leonesa. On 28 May 2017, Cultural promoted to Segunda División after 42 years by defeating Barcelona B in the promotion play-offs.