Campbell, who has been married to interior designer Fiona Barratt-Campbell since 2010, was targeted by homophobic chanting during his own playing days despite always denying claims he was gay.
Speaking to Victoria Derbyshire on BBC Radio 5 Live, Campbell said: “I don’t think they are ready, the system isn’t ready for them.
“I don’t think football is ready – some of the authorities might say they are ready but I don’t think football is.
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