Manny Pacquiao defeated Keith Thurman in a split decision to become the oldest welterweight champion in boxing history at age 40.

Pacquaio dropped Thurman in the first round making it the highlight of the night.

The knockdown set the tone for the early rounds, but Thurman rallied in the middle rounds.

Pacquiao took some punishment, but he made a comeback in the late rounds to finish the match.

According to ESPN, Pacquiao took home a purse of $10 million while Thurman collected $2.5 million.

The full fight below: