The two men will go face to face for a second time this evening (Getty)

Floyd Mayweather and Conor McGregor kicked off a four-city promotional tour on Tuesday at the Staples Center, facing off in front of a raucous crowd that thoroughly enjoyed this circus' first stop in Hollywood.

Both fighters promised a knockout, and they had a prolonged shouting match during their second faceoff, with UFC President Dana White stepping between them.

Predictably the encounter was controversial, with McGregor enjoying the lion’s share of public backing and largely getting the better of the verbal sparring.

Mayweather vs McGregor: From trash-talk to super-fight Show all 18 1 /18 Mayweather vs McGregor: From trash-talk to super-fight Mayweather vs McGregor: From trash-talk to super-fight 00-mayweather-mcgregor-trash-talk-timeline.jpg NEW YORK, NY - NOVEMBER 10: UFC Featherweight Champion Conor McGregor addresses the media during the UFC 205 press conference at The Theater at Madison Square Garden on November 10, 2016 in New York City. (Photo by Michael Reaves/Getty Images) Getty Images Mayweather vs McGregor: From trash-talk to super-fight 01-mayweather-mcgregor-trash-talk-timeline.jpg Mayweather vs McGregor: From trash-talk to super-fight 02-mayweather-mcgregor-trash-talk-timeline.jpg LAS VEGAS, NV - MAY 02: Floyd Mayweather Jr. reacts after the welterweight unification championship bout on May 2, 2015 at MGM Grand Garden Arena in Las Vegas, Nevada. (Photo by Al Bello/Getty Images) Getty Images Mayweather vs McGregor: From trash-talk to super-fight 03-mayweather-mcgregor-trash-talk-timeline.jpg Mayweather vs McGregor: From trash-talk to super-fight 04-mayweather-mcgregor-trash-talk-timeline.jpg Mayweather vs McGregor: From trash-talk to super-fight 05-mayweather-mcgregor-trash-talk-timeline.jpg Picture shows an arrangement of copies of The Sun newspaper front pages on February 13, 2012. Rupert Murdoch's British tabloid The Sun condemned police raids against its journalists as a "witch-hunt" worthy of former communist states, and won rare support from rival newspapers. AFP PHOTO / LEON NEAL (Photo credit should read LEON NEAL/AFP/Getty Images) AFP/Getty Images Mayweather vs McGregor: From trash-talk to super-fight 06-mayweather-mcgregor-trash-talk-timeline.jpg LAS VEGAS, NV - AUGUST 20: Conor McGregor waits for the start of his welterweight rematch against Nate Diaz at the UFC 202 event at T-Mobile Arena on August 20, 2016 in Las Vegas, Nevada. McGregor won by majority decision. (Photo by Steve Marcus/Getty Images) Getty Images Mayweather vs McGregor: From trash-talk to super-fight 07-mayweather-mcgregor-trash-talk-timeline.jpg LAS VEGAS, NV - SEPTEMBER 13: Floyd Mayweather Jr. looks on while taking on Marcos Maidana during their WBC/WBA welterweight title fight at the MGM Grand Garden Arena on September 13, 2014 in Las Vegas, Nevada. (Photo by Al Bello/Getty Images) Getty Images Mayweather vs McGregor: From trash-talk to super-fight 08-mayweather-mcgregor-trash-talk-timeline.jpg LAS VEGAS, NV - JUNE 02: Mayweather Promotions CEO Leonard Ellerbe introduces honoree Floyd Mayweather Jr. during the 2017 Southern Nevada Sports Hall of Fame induction ceremony at the Orleans Arena on June 2, 2017 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images) Getty Images Mayweather vs McGregor: From trash-talk to super-fight 09-mayweather-mcgregor-trash-talk-timeline.jpg TORRENCE, CA - FEBRUARY 24: UFC featherweight champion Conor McGregor speaks during an interview after a news conference with lightweight contender Nate Diaz at UFC Gym February 24, 2016, in Torrance, California. (Photo by Kevork Djansezian/Getty Images) Getty Images Mayweather vs McGregor: From trash-talk to super-fight 10-mayweather-mcgregor-trash-talk-timeline.jpg LAS VEGAS, NV - MAY 02: Floyd Mayweather Jr. throws a left at Manny Pacquiao during their welterweight unification championship bout on May 2, 2015 at MGM Grand Garden Arena in Las Vegas, Nevada. (Photo by Al Bello/Getty Images) Getty Images Mayweather vs McGregor: From trash-talk to super-fight 11-mayweather-mcgregor-trash-talk-timeline.jpg LAS VEGAS, NV - MAY 02: Floyd Mayweather Jr. looks on during the welterweight unification championship bout against Manny Pacquiao on May 2, 2015 at MGM Grand Garden Arena in Las Vegas, Nevada. (Photo by Al Bello/Getty Images) Getty Images Mayweather vs McGregor: From trash-talk to super-fight 12-mayweather-mcgregor-trash-talk-timeline.jpg Mayweather vs McGregor: From trash-talk to super-fight 13-mayweather-mcgregor-trash-talk-timeline.jpg Mayweather vs McGregor: From trash-talk to super-fight 14-mayweather-mcgregor-trash-talk-timeline.jpg NEW YORK, NY - MARCH 17: (L to R) Conor McGregor, & Michael Conlan celebrate Conlan's 3rd round TKO win over Tim Ibarra in his super bantamweight bout at The Theater at Madison Square Garden on March 17, 2017 in New York City. (Photo by Ed Mulholland/Getty Images) Getty Images Mayweather vs McGregor: From trash-talk to super-fight 15-mayweather-mcgregor-trash-talk-timeline.jpg NEW YORK, NY - NOVEMBER 10: UFC Featherweight Champion Conor McGregor addresses the media during the UFC 205 press conference at The Theater at Madison Square Garden on November 10, 2016 in New York City. (Photo by Michael Reaves/Getty Images) Getty Images Mayweather vs McGregor: From trash-talk to super-fight 16-mayweather-mcgregor-trash-talk-timeline.jpg Mayweather vs McGregor: From trash-talk to super-fight 17-mayweather-mcgregor-trash-talk-timeline.jpg LAS VEGAS - MAY 23: Musician Musician Keith Urban performs onstage during the 41st Annual Academy Of Country Music Awards held at the MGM Grand Garden Arena on May 23, 2006 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images) Getty Images

The fighter was however criticised for shouting “Dance for me, boy!” at his opponent, although Floyd Mayweather Snr later defended the Irishman and played down the suggestion his comment was racist.

The press tour stops off in Toronto tonight, and you can bet there will be more drama, more controversy and more threats.

The drama is due to get underway at 10.30pm, so join us from around 9pm for live coverage of the second press conference.

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