A full Saturday of boxing is on tap for July 19 in Las Vegas, when welterweight champion Mario Barrios and Manny Pacquiao square off in a main event.

Pacquiao's pay-per-view fights have generated nearly $1.3 billion in revenue, including a staggering $400 million for his highly publicized 2015 fight against Mayweather. That fight also represented Pacquiao's highest payday to date, with him bringing in an estimated $130 million from the bout.

Here's when the fighters are expected to enter the ring as Manny Pacquiao challenges WBC welterweight champion Mario Barrios in Las Vegas.