Playing as a defender, Metgod started his professional career in the 1970s playing for HFC Haarlem. After one season with Haarlem, Metgod moved to play for AZ Alkmaar, spending six years at the club, including their UEFA Cup final defeat against English side Ipswich Town, during which he scored a goal in the 4–2 second leg win. In 1982, Metgod moved to Spain to play for Real Madrid. He then moved to England in 1984 to sign for Nottingham Forest, where he was a regular player for three seasons before signing for Tottenham Hotspur in 1987. He spent just one season with the North London club before he moved back to the Netherlands, where he signed for Feyenoord. He spent six years at Feyenoord before finally retiring as a player in 1994.
International career
During his career Metgod obtained 21 caps for the Netherlands national football team, scoring four goals. He was noted for his , particularly during his spell at Nottingham Forest.
Coaching
After retiring Metgod became a coach, working for Excelsior Rotterdam and Feyenoord. On 11 November 2008, Metgod was appointed first-team coach by Portsmouth, but left the club on 8 February 2009 when manager Tony Adams was sacked. On 21 May 2009, Metgod was appointed as a first-team coach at Derby County, but left the club in October 2013 along with the rest of the coaching staff, following the dismissal of manager Nigel Clough. On January 2014, Metgod was appointed as an assistant at Colorado Rapids. On July 2014, Metgod was appointed as a scout at Brighton & Hove Albion. On 1 July 2015, Metgod was appointed as a Technical Manager at ADO Den Haag and left on June 2016. On 10 April 2017, Metgod was added to the staff at Granada CF by trainer Tony Adams, but left the club on May 2017 when manager Tony Adams was sacked. On 8 January 2018, Metgod was added to the staff at Nottingham Forest by trainer Aitor Karanka, but left the club on 10 January 2019 when manager Aitor Karanka resigned as coach. However, he continued at the club as a part of the board. On 21 March 2019, he left Nottingham to become the assistant manager of United Arab Emirates national football team.