What is John Heitinga?
{{Infobox football biography | name = John Heitinga | image = GAE - Ajax - 52788475730 (John Heitinga).jpg | caption = Heitinga as manager of [[AFC Ajax|Ajax]] in 2023 | full_name = John Gijsbert Alan Heitinga<ref>{{cite web |url=http://actas.rfef.es/actas/RFEF_CmpActa1?cod_primaria=1000144&CodActa=8915 |title=Acta del Partido celebrado el 30 de agosto de 2009, en Málaga |trans-title=Minutes of the Match held on 30 August 2009, in Málaga |publisher=Royal Spanish Football Federation |access-date=18 June 2019 |language=es |archive-date=28 September 2021 |archive-url=https://web.archive.org/web/20210928141302/http://actas.rfef.es/actas/RFEF_CmpActa1?cod_primaria=1000144&CodActa=8915 |url-status=dead }}</ref> | birth_date = {{birth date and age|1983|11|15|df=y}}<ref>{{cite web |url=https://www.fifa.com/mm/document/tournament/competition/01/22/85/78/fwc_2010_squadlists.pdf |archive-url=https://web.archive.org/web/20100616010702/http://www.fifa.com/mm/document/tournament/competition/01/22/85/78/fwc_2010_squadlists.pdf |url-status=dead |archive-date=16 June 2010 |title=FIFA World Cup South Africa 2010: List of players: Netherlands |publisher=FIFA |page=20 |date=4 June 2010 |access-date=18 June 2019}}</ref> | birth_place = [[Alphen aan den Rijn]], Netherlands | height = 1.80 m<ref>{{cite web | url = http://www.heitingaofficial.com/en/fact_file.asp | title = John Heitinga | publisher = heitingaofficial.com | access-date = 10 September 2009 | url-status = dead | archive-url = https://web.archive.org/web/20090905133313/http://www.heitingaofficial.com/en/fact_file.asp | archive-date = 5 September 2009 }}</ref> | position = [[Centre back]] | currentclub = [[West Ham United F.C.|West Ham United]] (first team coach) | clubnumber = | youthyears1 = 1987–1990 | youthclubs1 = [[SV ARC|ARC]] | youthyears2 = 1990–2001 | youthclubs2 = [[Ajax Youth Academy|Ajax]] | years1 = 2001–2008 | clubs1 = [[AFC Ajax|Ajax]] | caps1 = 152 | goals1 = 17 | years2 = 2008–2009 | clubs2 = [[Atlético Madrid]] | caps2 = 28 | goals2 = 3 | years3 = 2009–20