1.   This was no flash knockdown.

2.   Bruno got up from a knockdown early in the first round against Tyson, but it was a flash knockdown.

3.   Canizalez knocked down Portillo twice in the second round and had to survive a flash knockdown of his own to win.

4.   Tszyu said the flash knockdown in the first round had helped him to focus.

5.   Tszyu suffering the flash knockdown in the first round had helped him to focus.