Van Overeem, a product of AZ Alkmaar’s Youth Academy, made 27 appearances in all competitions for Utrecht last season and a total of 116 since joining the club in 2018. Having made 32 international appearances for the Dutch young national sides at U-16 to U-21 levels, van Overeem made his senior debut at the age of 19 whilst playing for AZ under Dick Advocaat.

A one-season long loan spell at Dordrecht (2014/15) resulted with van Overeem making 35 appearances before returning to AZ. In the 2015/16 season van Overeem scored 7 goals in 46 appearances and played with AZ in the Europa League group stages. The following season van Overeem was part of AZ’s team that faced Maccabi in the EUROPA League group stages at the AFAS stadium as overall he scored a total of 13 goals in 117 appearances for Alkmaar.