Undefeated WBC middleweight champion Julio Cesar Chavez Jr. (46-0-1, 32 KOs) and two-division world champion and Sergio Martinez (49-2-2, 28 KOs) will go face to face one last time at their official weigh-in today in the Encore Theater at Wynn Las Vegas (3131 Las Vegas Blvd. South, Las Vegas, Nev. 89109.) Open to the public, complimentary general admission tickets will be available on a first come first serve basis. Fans can pick up their general admission tickets at the Wynn Theater box office beginning at 10 a.m. PT on Friday. Fans can also watch the closed circuit feed at the XS night club at Wynn Las Vegas. Doors to the Encore Theater will open at 2:30 p.m. with Chavez Jr. and Martinez scheduled to step on the scale at approximately 3:30 p.m. PT.