Rachel Riley has accused Manchester United of "gaslighting" and "green lighting" abuse for their handling of the decision to part company with Mason Greenwood.
Greenwood's exit was confirmed on Monday after a six-month internal investigation into his conduct.
It came after charges against the player, including attempted rape and assault, were dropped in February.
"Right decision, horrendous statement," television presenter Riley wrote.
In explaining the lengthy process behind their decision, a Manchester United statement claimed Greenwood "did not commit the offences in respect of which he was originally charged", adding: "Based on the evidence available to us, we have concluded that the material posted online did not provide a full picture.