It was a fifth successful defence of the title by Vargas, who has held the belt since defeating Gavin McDonnell in February 2017.
The undefeated Thurman puts his World Boxing Association welterweight crown on the line against the 40-year-old Pacquiao on July 20 at the MGM Grand.
The British boxer, whose parents are from Yemen, needed this victory over mandatory challenger Jimenez to put himself in position for bigger fights.
The 40-year-old eight-division world champion has been riled by trash-talking from WBA champion Thurman ahead of the bout.
Fury, determined to put on a show on his Las Vegas debut, overwhelmed Schwarz with a dazzling display of ringcraft before unloading in the second round at the MGM Grand Garden Arena.
The 29-year-old Ruiz started the fight as a massive 32-1 underdog but floored Joshua four times on his way to a win which upended the heavyweight division.
Ruiz recorded a monster upset, by knocking down Britain's Joshua four times to take the World Boxing Association, International Boxing Federation and World Boxing Organization titles.
The call came a week after the International Olympic Committee recommended AIBA be barred from organising the Olympic Boxing tournament because of governance issues.
WBC champion Wilder's decision to fight Ortiz makes it unlikely he will meet rival Joshua in a much-anticipated unification fight this year.
The 60-year-old, currently head of the International Gymnastics Federation, told reporters at a news conference in Tokyo that the call had come out of the blue.
The vaunted knockout artist Wilder swarmed Breazeale from the opening bell, hurting him with a straight right hand then finishing him off later in the round with the devastating right to the chin that was set up by a left jab.
One judge scored the bout 116-111 and two others saw it 115-112 for Williams, who improved to 27-1-1 with 17 knockouts.
AIBA said in a statement to AFP that it will "defend its legitimate right" to organise boxing in Tokyo and "will review all of its options, including legal, given that the IOC has breached the Olympic Charter".
Alvarez kept his World Boxing Council and World Boxing Association titles and seized Jacobs' International Boxing Federation belt in a bout that marked the Mexican's return to the middleweight division.
Alvarez starts as a heavy favorite for a contest that has been notable for an absence of trash-talking and bad blood between its protagonists.