The move aims to enhance performance and reduce injury, says manager Emma Hayes.
James Healy denied his assault on Owen Jones was motivated by the victim’s sexual orientation or political views.
There was a stadium announcement after 75 minutes saying that “racist behaviour among spectators is interfering with the game”.
Five other supporters have also been temporarily banned from Stamford Bridge for abusive language.
He has signed a three-year deal.
The Home Office data has been released under the Freedom of Information Act.
Only once we have developed the ability to recognise and challenge our own unconscious biases will modern racism be overcome, and we will see a level playing field for all – not just for footballers
TV footage appeared to show Chelsea fan directing racist language towards footballer.
The incident comes just days after Manchester City's Raheem Sterling was racially abused.
"This is a big moment for the media and for football. It’s a wake-up call."