Sworn Enemies' on April 8 featuring Floyd Mayweather Jr and Zab Judah is loaded underneath with two world championship bouts and with the the Son of the Legend, Julio Cesar Chavez Jr. Here is how Top Rank's big fight card is shaping up at the Thomas and Mack Center in Las Vegas:

Jorge Arce vs. Rosendo Alvarez, 12 Rds., WBC Interim Flyweight Title
Arce and Alvarez had a 'bad encounter' in the ring following Arce's last fight Jan 28 in Cancun, Mexico. After Arce had his hand raised for victory, Alvarez got into the ring, got into Arce's face and told him off to flame this riveting showdown.  "Alvarez knows I am the man, the best in this division," said Arce, the champion.  Arce is promoted by Top Rank; Alvarez fights for Don King Productions. Arce is 43-3-1; Alvarez, 37-2-2.

Juan 'El Torito' Diaz vs. Jose Miguel Cotto, 12 Rds., WBA Lightweight ChampionshipTremendous matchup of undefeated fighters. Diaz,  28-0, of Houston is the world lightweight champion. Cotto, older brother of Miguel, is 27-0 and fights out of Caguas, Puerto Rico. Diaz: "I want to be the best in my division - that motivates me." Cotto, a tremendously skilled challenger who strikes with power, boxed for Puerto Rico in 1996 Olympic Games in Atlanta. Diaz is promoted by Main Events; Cotto by Top Rank.

Special Attraction - Julio Cesar Chavez Jr,  24-0-1
The Son of the Legend, Julio just turned 20 years old. "I'm young, a rookie in this great sport. I want to be a champion like my father and I'm going to work hard to get there." Julio Jr. fights out of Culiacan, Mexico. He is scheduled to box six rounds and his bout will be on the HBO Pay Per View telecast.

Chavez Jr. will open the PPV telecast followed by Diaz vs. Cotto and then Arce vs. Alvarez.

Mayweather vs. Judah 'Sworn Enemies' is promoted by Top Rank, Don King Productions in association with Caesars Palace and Wynn Las Vegas at the Thomas and Mack Center, Las Vegas. Mayweather vs. Judah will be on HBO Pay Per View.