SCHEDULE

SCHEDULE
National TV in parentheses
April 12
At Tachi Palace Hotel & amp; Casino, Lemoore, Calif. (ESPN), Paul Williams, Augusta, Ga., vs. Chris Smith, Queens, N.Y., 10, welterweights.
April 14
At Agua Caliente Casino, Rancho Mirage, Calif. (ESPN), Audley Harrison, Las Vegas, vs. Dominick Guinn, Hot Springs, Ark., 10, heavyweights.
April 15
At Little Rock, Ark. (HBO), Vernon Forrest, Atlanta, vs. Ike Quartey, Ghana, 10, light middleweights.
April 20
At Manhattan Center Grand Ballroom, New York, Silence Mabuza, South Africa, vs. Ricardo Vargas, Mexico, 12, IBF bantamweight title eliminator.
April 21
At Philips Arena, Atlanta (ESPN), Kermit Cintron, Reading, Pa., vs. David Estrada, Miami, 12, welterweights.
At Dover Downs, Del., Takalani Ndlovu, South Africa, vs. Fabio Daniel Oliva, Argentina, 12, for Ndlovu's IBO super bantamweight title.
At Arco Arena, Sacramento, Calif., Rogelio Castaneda, Jr., Sacramento, Calif., vs. Craig Weber, Perrysville, Ohio, 12, for Castaneda's IBA light welterweight title.
April 22
At Mannheim, Germany (HBO), Chris Byrd, Las Vegas, vs. Wladimir Klitschko, Germany, 12, for Byrd's IBF and the vacant IBO heavyweight titles; Sebastian Sylvester, Germany, vs. Dirk Dzemski, 12, for Sylvester's EBU middleweight title.
April 26
At Buffalo Run Casino, Miami, Okla. (ESPN), Jameel McCline, Clifton, N.J., vs. Rob Calloway, St. Joseph, Mo., 10, heavyweights; Allan Green, Tulsa, Okla., vs. Anthony Bonsante, Shakopee, Minn., 10, light heavyweights.
April 28
At Mohegan Sun Casino, Uncasville, Conn. (ESPN), Samuel Peter, Las Vegas, vs. Julius Long, Romulus, Mich., 12, for Peter's NABA heavyweight title.
April 29
At Foxwoods Resort, Mashantucket, Conn. (HBO), Acelino Freitas, Brazil, vs. Zahir Raheem, Philadelphia, 12, for the vacant WBO lightweight title.
May 5
At Tampa, Fla. (ESPN), Prince Badi Ajamu, Camden, N.J., vs. Danny Santiago, Ocala, Fla., 12, for Ajamu's WBO/NABO and vacant NBA light heavyweight titles; Aaron Mitchell, Vero Beach, Fla., vs. Miguel Martin, Houston, 12, for the vacant IBA super middleweight title.
May 6
At Tokyo, Japan, Eagle Kyowa, Japan, vs. Rodel Mayol, Philippines, 12, for Kyowa's WBC minimumweight title.
At DCU Center, Worcester, Mass. (SHO), Jose Antonio Rivera, Worcester, Mass., vs. Alejandro Garcia, Mexico, 12, for Rivera's WBA light middleweight title; Luis Collazo, Queens, N.Y., vs. Oktay Urkal, Germany, 12, for Collazo's WBA welterweight title; Roman Karmazin, Russia, vs. Daniel Santos, Puerto Rico, 12, for Karmazin's IBF light middleweight title; O'Neill Bell, Atlanta, vs. Steve Cunningham, Philadelphia, 12, for Bell's world cruiserweight title.
At MGM Grand Hotel & amp; Casino, Las Vegas (PPV), Ricardo Mayorga, Nicaragua, vs. Oscar De La Hoya, Los Angeles, 12, for Mayorga's WBC light middleweight title; Daniel Ponce De Leon, Mexico, vs. Alejandro Barrera, Mexico, 12, for De Leon's WBO super bantamweight title; Jhonny Gonzalez, Mexico, vs. Fernando Montiel, Mexico, 12, for Gonzalez's WBO bantamweight title.
May 18
At Hard Rock Live Arena, Hollywood, Fla., Julio Diaz, Coachella, Calif., vs. Ricky Quiles, Puerto Rico, 12, for the IBF interim lightweight title.
May 20
At King's Hall, Belfast, Northern Ireland, Eamonn Magee, Northern Ireland, vs. Mehrdud Takaloo, England, 12, for Magee's WBU welterweight title; Scott Harrison, Scotland, vs. Joan Guzman, Dominican Republic, 12, for Harrison's WBO featherweight title.
At Panama City, Panama, Roberto Vasquez, Panama, vs. Noel Arambulet, Venezuela, 12, for Vasquez's WBA light flyweight title; Miguel Callist, Panama, vs. Juan Mosquera, Panama, 12, for Callist's WBA Fedelatin light welterweight title; Rafael Concepcion, Panama, vs. Jonathan Aguilar, Panama, 10, for the vacant WBC Fecarbox super flyweight title.
At Staples Center, Los Angeles (HBO), Marco Antonio Barrera, Mexico, vs. Rocky Juarez, Houston, 12, for Barrera's WBC super featherweight title; Jorge Rodrigo Barrios, Argentina, vs. Janos Nagy, Hungary, 12, for Barrios' WBO super featherweight title.
May 26
At Tropicana, Atlantic City, N.J., Stevie Johnston, Vero Beach, Fla., vs. Herman Ngoudjo, Canada, 12, for Johnston's IBO and NABF light welterweight titles.
June 3
At Thomas and Mack Center, Las Vegas, (SHO), Diego Corrales, Sacramento, Calif. vs. Jose Luis Castillo, Mexico, 12, for Corrales' WBC lightweight title.
June 10
At Boardwalk Hall, Atlantic City, N.J. (PPV), Antonio Tarver, Tampa, Fla., vs. Bernard Hopkins, Philadelphia, 12, for Tarver's IBO and NBA light heavyweight titles.
At Madison Square Garden, New York, Miguel Cotto, Puerto Rico, vs. Paulie Malignaggi, Brooklyn, N.Y., 12, for Cotto's WBO junior welterweight title.
June 17
At FedEx Forum, Memphis, Tenn. (HBO), Jermain Taylor, Little Rock, Ark., vs. Ronald Wright, St. Petersburg, Fla., 12, for Taylor's WBC and WBO middleweight titles.
June 24
At Caesars Palace, Las Vegas (HBO), Joel Julio, Colombia, vs. Carlos Quintana, Puerto Rico, 12, WBA welterweight title eliminator; Timur Ibragimov, Hallandale, Fla., vs. Calvin Brock, Charlotte, N.C., 12, for Ibragimov's WBA Fecarbox heavyweight title.