Here's the fourth pro fight of Manny Pacquiao at Mandaluyong City, Philippines. He sent Dele Decierto grilling against the rope.

You can see that as early as May 1, 1995, Pacquiao has the power and speed. This video also showcase Manny's famous left hand punch. Manny Pacquiao finished the fight with the accumulation of left punches. Dele Decierto, turn around, and quit in the 2nd Round. Manny won with a TKO.