Top 10 Small Athletes: #5 Manny Pacquiao

Anyone who says there are no great boxers anymore hasn't seen Manny Pacquiao in the ring.

There's little doubt that the 5' 6" Filipino fighter is the best pound-for-pound boxer in the world. He's one of only five fighters in history to have won titles in five different weight classes (joining legends Floyd Mayweather Jr., Oscar De La Hoya, Sugar Ray Leonard, and Thomas Hearns).

"Pac-Man" has ridiculously quick hands and packs surprising power for his size. In the past year alone, Pacquiao has pounded De La Hoya, winning by TKO, and scored a second-round knockout against Ricky Hatton in what was supposed to be a close match.

CLICK HERE to return to this countdown!