Diamond League: Usain Bolt responds to Ben Johnson claims
Speaking ahead of the Diamond League meeting in Brussels, Usain Bolt says that Canadian sprinter Ben Johnson would "never" have beaten him over 100m.
The comments follow Johnson's claims last week that he would have out-run the World and Olympic champion.
Bolt added that people say things to "get some attention", but stated that he is concentrating on becoming a "great" like Muhammad Ali or Pele and that to do so he would need to "continue dominating" until he retires.
Watch the last Diamond League meeting of the season live on BBC Two, online, mobiles and Connected TV from 19:00 BST.