Former welterweight world champion Trinidad is returning to the ring after a two-year lay-off.
He returned their support with a decisive 10-round TKO to retain his WBA Super Welterweight crown.
And welterweight Jake Ellenberger knocked out former Strikeforce champion Nate Marquardt in the first round.
He's a great fighter, but he's a welterweight who got exposed at the heavier weights.
Mayweather, 29, is coming off a welterweight title triumph over Carlos Baldomir last month.
Keith Thurman won the WBO intercontinental welterweight title with a 12 round, unanimous decision over Jan Zaveck.
He's the best 140lb fighter for a long, long time and he will beat everything at light-welterweight.
Hatton relinquished his WBA welterweight title on Thursday, having given up the IBF light welterweight crown in April.
He beat Carlos Maussa last November and stepped up to welterweight to beat Luis Collazo in May 2006.
Hatton suffered a brutal second-round defeat in his IBO light-welterweight world title bout against Manny Pacquiao in May.
Elsewhere, American Kendall Holt retained his WBO light-welterweight title with a split decision over Demetrius Hopkins in Atlantic City.
In the Philippines, welterweight world champion Manny "Pacman" Pacquiao was last year elected to the country's House of Representatives.
Another Welshman, Cardiff welterweight Fred Evans, also suffered defeat, losing a savage clash with United States champion Errol Spence.
The welterweight bout was confirmed at the start of August and the Grand has now been named as the venue.
With the victory, Alexander put himself in position for a potential fight against another English boxer, former junior-welterweight champion Amir Khan.
Light-middleweight Hope, 27, has followed their trail, taking another young Welsh boxer - Swansea light-welterweight James Todd - along with him.
Welterweight prospect Dmitriy Salita remained unbeaten by stopping an outmatched Ron Gladden midway through the first round of a scheduled four-round fight.
Hatton's last fight for Warren was on 6 April 2005 when he notched a career-defining win over IBF light-welterweight king Kostya Tszyu.
Mayweather is preparing for his latest return to the ring when he challenges Ortiz for the WBC welterweight title on 17 September.
The Bolton-born fighter is currently preparing for the defence of his WBA light-welterweight title against IBF champion Zab Judah on 23 July.
Antonio Margarito World Super Welterweight Championship for the week leading up to November 12, which will be broadcast live on HBO PPV.
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That forced a reshuffle of the welterweight bouts with Hendricks moved to face Condit and Marquardt brought in to take on Ellenberger.
Britain's former light welterweight champion Ricky Hatton, who was ringside for the bout, said he expected Harrison to deliver a better performance.
Unbeaten Dungiven welterweight Paul McCloskey recorded his 13th straight win by stopping Polish journeyman Dariusz Snarski in the sixth round of their contest.
The next evening in Washington, he'll defend his WBA and IBF light-welterweight world titles against Lamont Peterson in a marquee fight on HBO.
His next contest is set for 6 January, when he will attempt to regain the IBF light welterweight belt from current holder Juan Urango.
Much of boxing's cream is to be found in the lower weight divisions, with the light welterweight ranks full to the brim with talent.
The 28-year-old, who started his football career at Sheffield United, has won all nine welterweight bouts he has fought since turning pro in 2006.
The WBA light-welterweight champion's first title defence will be his first Saturday night headline show but Rees admits he is still an unknown champion.
Prescott, who has a height and reach advantage and has fought at light-welterweight before, predicts he can add another quick win to his record.
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