Boxing fans can get a ringside seat for one of the sport’s most dramatic pre-fight activities when HBO telecasts  WEIGH-IN LIVE: CHAVEZ JR./MARTINEZ, the world championship fight weigh-in, featuring middleweight rivals Julio Cesar Chavez Jr. and Sergio Martinez.  The half-hour special airs Friday, Sept. 14 at 6:30 p.m. (ET/PT) on HBO.

Hosted by Jim Lampley, the fast-moving program will include the moment when both prizefighters tip the scales as well as providing boxing fans with unprecedented access to the festivities.  A social media component will be integrated into the live show, allowing HBO viewers to participate by visiting HBO.com/Connect and sharing their fight prediction (#ChavezMartinez Tweet Battle). All the action will take place at the Wynn Las Vegas.

Bookending WEIGH-IN LIVE will be the all-access HBO reality series “24/7 Chavez Jr./Martinez.”  An encore replay of episode one will air at 6:00 p.m. (ET/PT) and episode two will replay at 7:00 p.m. (ET/PT).  An encore presentation of WEIGH-IN LIVE will air at 7:30 p.m. (ET/PT) followed by an all-new half-hour special “24/7 Overtime: Chavez Jr./Martinez” at 8:00 p.m. ET/PT.  Host Jim Lampley will be joined by special guests as he reports from Las Vegas with last-minute news, observations and fight forecasts.

The official fight headquarters for boxing fans all week long is insidehboboxing.com where fans can log on for exclusives features from fight week in Las Vegas.

Follow HBO Boxing news at www.hbo.com/boxing ; on Facebook at www.facebook.com/hboboxing ; and on Twitter @hboboxing.

LAS VEGAS, NEV. -- Undefeated World Boxing Council (WBC) middleweight champion and Son of the Legend, JULIO CÉSAR CHÁVEZ JR., 46-0-1, 32 KOs), of Culiacán, México, and two-division world champion and pound for pound kingpin with the matinee idol looks, SERGIO "Maravilla" MARTÍNEZ (49-2-2, 28 KOs), of Quilmes, Buenos Aires, Argentina, will make their Las Vegas Grand Arrivals to officially kickoff Fight Week, Today!  Tuesday, September 11, at the South Valet Entrance of Wynn Las Vegas (3131 Las Vegas Blvd. South, Las Vegas, Nev. 89109.)  Open to the public,  Martínez will arrive at 12:30 p.m. PT, followed by Chávez Jr. at 1:00 p.m. PT.  Chávez Jr. and Martínez are six days away from their historic Méxican Independence Day Weekend world championship showdown.

Promoted by Top Rank®, Zanfer Promotions and DiBella Entertainment, in association with Wynn Las Vegas, AT&T and Tecate, the Chávez Jr. vs. Martínez Middleweight Championship Event will take place Saturday, September 15, Méxican Independence Day Weekend, at the Thomas & Mack Center, on the campus of the University of Nevada, Las Vegas.  It will be produced and distributed live by HBO Pay-Per-View®, beginning at 9:00 p.m. ET / 6:00 p.m. PT.  The live pay-per-view undercard will feature four exciting bouts. 

Remaining tickets to the Julio César Chávez Jr. vs. Sergio Martínez World Middleweight Championship, priced at $75 and $50, can be purchased at the Thomas & Mack Center box office and Town Square Las Vegas Concierge. Tickets can also be purchased online at www.unlvtickets.com .  To charge by telephone call (702) 739-FANS.

Remaining tickets to the Wynn Las Vegas closed circuit presentation are priced at $70 for reserved seating in the intimate Encore Theater and $50 for general admission in the Lafite Ballroom at Wynn, and are inclusive of applicable taxes and fees. Tickets can be purchased by calling (702) 770-7118, through the website wynnlasvegas.com or by visiting the Wynn Ticket Office (Friday-Tuesday:  10 a.m. to 11 p.m. PT / Wednesday-Thursday:  10 a.m. -   6 p.m. PT) or the Wynn Concierge (Daily:  10 a.m. - 9 p.m. PT.)

The Chávez Jr. vs. Martínez world championship telecast, which begins at 9:00 p.m. ET / 6:00 p.m. PT, will be produced and distributed live by HBO Pay-Per-View and will be available to more than 92 million pay-per-view homes. HBO Pay-Per-View, a division of Home Box Office, Inc., is the leading supplier of event programming to the pay-per-view industry. Follow HBO Boxing news at www.hbo.com and at www.facebook.com/hboboxing . Use the hashtag #ChavezMartinez to join the conversation on Twitter.  For Chávez Jr. vs. Martínez updates log on to www.toprank.com , www.dbe1.com or www.hbo.com .

LAS VEGAS, NEV. – Fight Week for the historic Méxican Independence Day weekend battle between undefeated WBC middleweight champion and Son of the Legend JULIO CÉSAR CHÁVEZ JR. and two-division world champion and pound-for-pound kingpin with the matinee idol looks, SERGIO "Maravilla" MARTÍNEZ, kicks off today, at 12:30 p.m. PT, with their public Grand Arrivals at Wynn Las Vegas.  But how well do you really know them?

Before they go face-to-face at Wednesday’s Final News Conference in the Encore Theater at Wynn Las Vegas, beginning at High Noon, please take time to look at the following features from HBO Sports and learn more about these two warriors’ compelling and contrasting stories.

HBO 24/7: Chávez Jr. vs. Martínez (Episode No. 1)

http://bit.ly/OyWxkW

HBO 24/7: Chávez Jr. vs. Martínez (Episode No. 2)

http://itsh.bo/OnodNS

HBO Boxing: Face Off with Max Kellerman - Chávez Jr. vs. Martínez

http://bit.ly/RPAYA5

HBO 2 Days - Julio César Chávez Jr.

http://bit.ly/UGYAqF       

Promoted by Top Rank®, Zanfer Promotions and DiBella Entertainment, in association with Wynn Las Vegas, AT&T and Tecate, the Chávez Jr. vs. Martínez Middleweight Championship Event will take place Saturday, September 15, Méxican Independence Day Weekend, at the Thomas & Mack Center, on the campus of the University of Nevada, Las Vegas.  It will be produced and distributed live by HBO Pay-Per-View®, beginning at 9:00 p.m. ET / 6:00 p.m. PT.  The live pay-per-view undercard will feature four exciting bouts. 

Remaining tickets to the Julio César Chávez Jr. vs. Sergio Martínez World Middleweight Championship, priced at $75 and $50, can be purchased at the Thomas & Mack Center box office and Town Square Las Vegas Concierge. Tickets can also be purchased online at www.unlvtickets.com .  To charge by telephone call (702) 739-FANS.

Remaining tickets to the Wynn Las Vegas closed circuit presentation are priced at $70 for reserved seating in the intimate Encore Theater and $50 for general admission in the Lafite Ballroom at Wynn. Tickets are inclusive of applicable taxes and fees and can be purchased by calling (702) 770-7118, through the website wynnlasvegas.com or by visiting the Wynn Ticket Office (Friday-Tuesday:  10 a.m. to 11 p.m. PT / Wednesday-Thursday:  10 a.m. -   6 p.m. PT) or the Wynn Concierge (Daily:  10 a.m. - 9 p.m. PT.)

The Chávez Jr. vs. Martínez world championship telecast, which begins at 9:00 p.m. ET / 6:00 p.m. PT, will be produced and distributed live by HBO Pay-Per-View and will be available to more than 92 million pay-per-view homes. HBO Pay-Per-View, a division of Home Box Office, Inc., is the leading supplier of event programming to the pay-per-view industry. Follow HBO Boxing news at www.hbo.com and at www.facebook.com/hboboxing . Use the hashtag #ChavezMartinez to join the conversation on Twitter.  For Chávez Jr. vs. Martínez updates log on to www.toprank.com , www.dbe1.com or www.hbo.com .