Who was that ? The only one I can recall having a fight with John Gayle, allegedly, was Carl Heggs.
https://www.bcfc.com/news/articles/2018/blue-eyed-boys-john-gayle/"After slow and steady progress at Wimbledon, where he made 20 appearances and scored twice, Gayle’s spell there ended abruptly following a training ground scrap with Keith Curle".