Sterling was involved in a dust up with England teammate Joe Gomez at the start of the current international break.
Wimbledon were famous for being very aggressive in the late 1980s, and that team won the 1988 FA Cup against Liverpool.
Fashanu was part of that "Crazy Gang" team at Wimbledon.
He spoke about Sterling with talkSPORT and said: "Raheem would have been a great Crazy Gang player – just the sort we looked for.
"You have to give him a lot of credit – to stand up for himself the way he does is what you want from every player.
"We all know about his amazing talents, his amazing maturity in taking on the racists in the game – and demanding black and white players are portrayed equally by the media.
"But now we see he also possesses this rare inner strength. There's a street brawler burning away inside him when it comes to football and life. The boy's a winner.
"Raheem would have been perfect with Vinnie Jones and me at Wimbledon. We just loved team-mates like that – someone not scared of anything, a warrior."
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