![VOLENDAM, NETHERLANDS - MARCH 19: referee Pol van Boekel wears a anniversary shirt Arag during the Dutch Keukenkampioendivision match between FC Volen Stock Photo - Alamy VOLENDAM, NETHERLANDS - MARCH 19: referee Pol van Boekel wears a anniversary shirt Arag during the Dutch Keukenkampioendivision match between FC Volen Stock Photo - Alamy](https://c8.alamy.com/comp/2F4AYG0/volendam-netherlands-march-19-referee-pol-van-boekel-wears-a-anniversary-shirt-arag-during-the-dutch-keukenkampioendivision-match-between-fc-volen-2F4AYG0.jpg)
VOLENDAM, NETHERLANDS - MARCH 19: referee Pol van Boekel wears a anniversary shirt Arag during the Dutch Keukenkampioendivision match between FC Volen Stock Photo - Alamy
![AMSTERDAM, NETHERLANDS - SEPTEMBER 25: Referee Pol van Boekel during the Dutch Eredivisie match between Ajax and FC Groningen at the Johan Cruijff ArenA on September 25, 2021 in Amsterdam, Netherlands (Photo AMSTERDAM, NETHERLANDS - SEPTEMBER 25: Referee Pol van Boekel during the Dutch Eredivisie match between Ajax and FC Groningen at the Johan Cruijff ArenA on September 25, 2021 in Amsterdam, Netherlands (Photo](https://c8.alamy.com/comp/2GNGEYM/amsterdam-netherlands-september-25-referee-pol-van-boekel-during-the-dutch-eredivisie-match-between-ajax-and-fc-groningen-at-the-johan-cruijff-arena-on-september-25-2021-in-amsterdam-netherlands-photo-by-peter-lousorange-pictures-2GNGEYM.jpg)
AMSTERDAM, NETHERLANDS - SEPTEMBER 25: Referee Pol van Boekel during the Dutch Eredivisie match between Ajax and FC Groningen at the Johan Cruijff ArenA on September 25, 2021 in Amsterdam, Netherlands (Photo
![EINDHOVEN, NETHERLANDS - JANUARY 21: Referee Pol van Boekel during the Dutch Eredivisie match between PSV and EINDHOVEN, NETHERLANDS - JANUARY 21: Referee Pol van Boekel during the Dutch Eredivisie match between PSV and](https://c8.alamy.com/comp/2MCAFJ4/eindhoven-netherlands-january-21-referee-pol-van-boekel-during-the-dutch-eredivisie-match-between-psv-and-vitesse-at-the-philips-stadion-on-january-21-2023-in-eindhoven-netherlands-photo-by-peter-lousorange-pictures-2MCAFJ4.jpg)
EINDHOVEN, NETHERLANDS - JANUARY 21: Referee Pol van Boekel during the Dutch Eredivisie match between PSV and
![AMSTERDAM, NETHERLANDS - APRIL 9: referee Pol van Boekel during the Dutch Eredivisie match between Ajax and Sparta Rotterdam at Johan Cruijff ArenA on April 9, 2022 in Amsterdam, Netherlands (Photo by AMSTERDAM, NETHERLANDS - APRIL 9: referee Pol van Boekel during the Dutch Eredivisie match between Ajax and Sparta Rotterdam at Johan Cruijff ArenA on April 9, 2022 in Amsterdam, Netherlands (Photo by](https://c8.alamy.com/comp/2J3PTD0/amsterdam-netherlands-april-9-referee-pol-van-boekel-during-the-dutch-eredivisie-match-between-ajax-and-sparta-rotterdam-at-johan-cruijff-arena-on-april-9-2022-in-amsterdam-netherlands-photo-by-geert-van-ervenorange-pictures-2J3PTD0.jpg)
AMSTERDAM, NETHERLANDS - APRIL 9: referee Pol van Boekel during the Dutch Eredivisie match between Ajax and Sparta Rotterdam at Johan Cruijff ArenA on April 9, 2022 in Amsterdam, Netherlands (Photo by
![SITTARD, NETHERLANDS - NOVEMBER 7: Referee Pol van Boekel during the Dutch Eredivisie match between Fortuna Sittard and PSV at the Fortuna Sittard Stadion on November 7, 2021 in Sittard, Netherlands (Photo SITTARD, NETHERLANDS - NOVEMBER 7: Referee Pol van Boekel during the Dutch Eredivisie match between Fortuna Sittard and PSV at the Fortuna Sittard Stadion on November 7, 2021 in Sittard, Netherlands (Photo](https://c8.alamy.com/comp/2H576CA/sittard-netherlands-november-7-referee-pol-van-boekel-during-the-dutch-eredivisie-match-between-fortuna-sittard-and-psv-at-the-fortuna-sittard-stadion-on-november-7-2021-in-sittard-netherlands-photo-by-broer-van-den-boomorange-pictures-2H576CA.jpg)