Manny Pacquiao reacts as referee Kenny Bayless holds up his hand signaling his victory over Keith Thurman in a welterweight title fight Saturday, July 20, 2019, in Las Vegas. (AP Photo/John Locher)Manny Pacquiao, right, lands a punch against Keith Thurman in the fifth round during a welterweight title fight Saturday, July 20, 2019, in Las Vegas. (AP Photo/John Locher)Keith Thurman gets up after being knocked down by Manny Pacquiao in the first round during a welterweight title fight Saturday, July 20, 2019, in Las Vegas. (AP Photo/John Locher)Manny Pacquiao, right, and Keith Thurman exchange punches in the second round during a welterweight title fight Saturday, July 20, 2019, in Las Vegas. (AP Photo/John Locher)Manny Pacquiao, reacts after knocking down Keith Thurman in the first round during a welterweight title fight Saturday, July 20, 2019, in Las Vegas. (AP Photo/John Locher)