Manny Pacquiao says he has to fight Floyd Mayweather like it is the last of his life when he touches gloves with the undefeated American in the $300m bout on May 2. The Filipino has been installed as the underdog for the mega-fight in Las Vegas, which has been billed as the biggest sporting event in history with two of the best pound-for-pound fighters of all time facing off. And to come out on top Pacquiao says he must be a 'warrior in the ring', bringing a never-say-die attitude to each round at the MGM Grand. Manny Pacquiao says he will have to be a warrior against Floyd Mayweather but is convinced he will win . Pacquiao works out at a park in Los Angeles, California ahead of his $300m mega-fight on May 2 . The WBC title belt that will be presented to either Pacquiao or Mayweather at the MGM Grand in Las Vegas . 'I have to be a warrior in the ring,' Pacquiao said, as quoted by Boxing Scene. '(I have to) fight like it is the last fight of my life.' 'I need to fight every round like each one is the last round of my life.' Pacquiao also promised fans, who have been waiting for the Mayweather showdown for half a decade, that it will be 'worth the wait' and spoke about his confidence going into the fight. He added: 'If the opportunity to knock Floyd out presents itself, I will take advantage of it . 'I know what it will take to beat Floyd, I will leave no doubt that I won on May 2. None. 'That is the Manny Pacquiao (that) Floyd will face on May 2. It is time for Floyd to lose.' Mayweather takes a plunge in the Cryosauna which is cooled to as low as -175 (-115C) Pacquiao says it is time for the undefeated Mayweather to lose and he will be the man to inflict defeat .
Manny Pacquiao takes on Floyd Mayweather in $300m mega-fight on May 2 . Filipino boxer says he will fight like it is the last of his life in Las Vegas . Pacquiao has no doubt he will be the first to beat Mayweather . Insists he will be a warrior in fight and will look to win each round . Floyd Mayweather vs Manny Pacquiao: WBC unveil $1m emerald green belt . Floyd Mayweather 'is a control freak', slams PacMan's promoter Bob Arum .