Floyd Mayweather unified the welterweight titles by defeating Manny Pacquaio by unanimous decision  from the MGM Garden Arena in Las Vegas. Mayweather remains undefeated and improves to 48-0 in his professional career.

Post-fight:

- Mayweather admonishes a booing crowd, yelling, "Shut me up!"

Round 12: 

Round 11:

Round 10:

Round Nine:

Round Eight:

- Hard right from Mayweather at 1:23.

Round Seven:

Round Six:

- Mayweather shakes his head at a Manny flurry at the 1:00-minute mark.

Round Five:

- Mayweather flurry at 1:42 has Pacquiao reeling.

- "Manny" chants ring out again.

Round Four:

- A flurry from Pacquiao at 1:20 rouses the crowd.

- Manny opens the round with a pair of quick lefts to the body.

Round Three:

- Mayweather connects with a hard left before the round's end.

- For a third time in the round, the pair are separated by the ref.

- Manny with quick body shots at 1:55.

Round Two:

- With :20 left, Mayweather smirks at his opponent.

- Manny scores with a double-jab at 1:20.

Round One:

- Round ends with the pair exhanging words.

- Loud "Manny" chants from the sold-out crowd.

- Quick feeling-out process with Pacquiao throwing quick body jabs.

Pre-Fight: