Get involvedpublished at 10:35 Greenwich Mean Time 22 January 2015
We asked you for your memories of shocking moments in sport - it's 20 years this Sunday since Manchester United's Eric Cantona kung-fu kicked a member of the crowd at Crystal Palace.
There is a special programme on Radio 5 live on Thursday from 19:30 GMT.
Richard Alpin: , externalSchumi taking out Hill at Adelaide in 94 that was Hill's Championship!
Dai Ellis:, external I think the most shocking thing in football has to be Cardiff getting in the premier league ! Lol
Ian Coady:, external The most shocking moment was seeing Fabrice Muamba have his heart attack just in front of me.