Oldham have confirmed that midfielder Ritchie Jones was ordered home by player-boss Paul Dickov prior to Saturday's 1-1 draw at Yeovil.
The 24-year-old reacted after being told he was not in the team and, after leaving a pre-match training session, was put on a train home.
A club statement said: "Disciplinary action taken by the manager has been endorsed by Latics' directors."
It added: "The matter will be discussed further with the manager in the near future."
Jones was signed by Dickov on a free transfer on a two-year deal last summer following his release by Hartlepool.
Copyright (c) PA Sport 2009, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: https://www.givemesport.com/writeforgms