Swimming World Championships 1991 at Perth (aus) Men: 100 m Butterfly January 8: Final: 1. Anthony Nesty (sur) 53.29 2. Michael Gross (ger) 53.31 3. Vladislav Kulikov (sov) 53.74 4. Mark Henderson (usa) 53.88 5. Marcel Gery (can) 53.93 6. Matt Biondi (usa) 53.97 7. Robert Bruce (aus) 54.45 8. Bruno Gutzeit (fra) 55.49