In 2014 Dong Yu started his professional footballer career with Chinese Super League side Hangzhou Greentown in 2014, where he initially started his youth career as a forward.
[2] Dong would struggle to gain much playing time as a forward and was unfortunately part of the squad that was relegated at the end of the 2016 Chinese Super League season.
[3] He would remain with the club and go on to be converted to a right-back before establishing himself as a regular member within the team as they renamed themselves Zhejiang Professional.
[4] He would then play a vital part as the club gained promotion to the top tier at the end of the 2021 campaign.
[5] Statistics accurate as of match played 31 January 2023.