Manny Pacquiao, left, and Keith Thurman square up after a news conference in New York to publicise their July 20 fight. AP Photo
Manny Pacquiao, left, and Keith Thurman square up after a news conference in New York to publicise their July 20 fight. AP Photo
Keith Thurman vows to retire Manny Pacquiao in unification fight: 'Come July 21, he's gone'
The undefeated American, 30, takes on the eight-division world champion at the MGM Grand in Las Vegas on July 20
