The AFL advises the Match Review of last night’s round two Richmond v Collingwood match at the MCG has been completed. Two charges were laid regarding Collingwood players. 

Mason Cox has been charged with engaging in Rough Conduct against Dylan Grimes, Richmond during the fourth quarter.
 
In summary, he can accept a one-match sanction with an early plea.
 
Based on the available evidence, the incident was assessed as Intentional Conduct with Low Impact and High Contact. The incident was classified as a one-match sanction.
 
Adam Treloar has been charged with a first offence of making Careless Contact with an Umpire (Nick Foot) during the second quarter of the Round Two match between Richmond and Collingwood, played at the MCG on Thursday March 28, 2019.
 
In summary, he can accept a $1000 sanction with an early plea.
 
Based on available evidence, the incident was assessed as Careless Contact with an Umpire. The incident was classified as a $1500 sanction as a first offence. The player can accept a $1000 sanction with an early plea.

Collingwood will decide over the coming days if they're to challenge the above charges.