Golovkin-Macklin official weights

MASHANTUCKET, Conn. (June 28, 2013) --  The official weigh-in was held today for tomorrow night's HBO Triple-Header, presented by DiBella Entertainment and K2 Promotions, in MGM Grand Theater at Foxwoods Resort Casino.

Saturday's HBO Boxing After Dark tripleheader airs live from the Foxwoods Resort Casino's MGM Grand Theater in Mashantucket, Connecticut at 9:45 p.m. ET/PT.

The telecasts opens with Willie Nelson as he takes on Luciano Cuello in a scheduled 10-round contest in the junior middleweight division.

Nelson vs. Cuello will be followed by a 10-round super middleweight showdown matching the undefeated Thomas Oosthuizen against Brandon Gonzales and his own undefeated record.

The main event pits middleweight title-holder Gennady Golovkin in his return to HBO against challenger Matthew Macklin in a 12-round title bout.

Below find fighter weights and pictures by Ed Diller / DiBella Entertainment.

Main Event - WBA / IBO World Middleweight Championship (12) - HBO

GENNADY "GGG"GOLOVKIN (26-0, 23 KOs), Stuggart, Germany by way of Kazakhstan 159 LBS.

MATTHEW "Mack The Knife" MACKLIN (29-4, 20 KOs), Birmingham, United Kingdom 159 LBS.

Co-Feature - Super Middleweights (10) - HBO

L: THOMAS "Tommy Gun" OOSTHUIZEN (21-0-1, 13 KOs), Boksburg, South Africa 167 LBS.

R: BRANDON "Flawless" GONZALES (17-0, 10 KOs), Sacramento, California 166 LBS.

NABF Super Welterweight Championship (10) - HBO

L: WILLIE "The Great" NELSON (20-1-1, 12 KOs), Champion, Cleveland, Ohio 153 LBS.

R: LUCIANO LEONEL "El Principito" CUELLO (32-2, 16 KOs), Buenos Aires, Argentina 153 LBS.

Junior Middleweights (8)

L: DANNY "Bhoy" O'CONNOR (20-1, 7 KOs), Framingham, Massachusetts 152 LBS.

R: HECTOR "The Hurricane" MUNOZ (21-10-1, 14 KOs), Albuquerque, New Mexico 151 LBS.

Featherweights (8)

L: LUIS "KO King" ROSA, JR. (13-0, 6 KOs), New Haven, Connecticut 124 LBS.

R: JOSE ANGEL "Pepe" BERANZA (36-26-2, 28 KOs), Mexico City, Mexico 124 LBS.

Welterweights (8)

DUSTY HERNANDEZ-HARRISON (15-0, 9 KOs), Washington D.C. 146  LBS.

BEN "The Congo Soldier" ANKRAH (17-15, 8 KOs), Chicago, Illinois by way of Ghana 146 LBS.