The long lineup of championship boxing matches in April continues in Las Vegas on Saturday night when Joe Calzaghe challenges Bernard Hopkins for the Ring Light Heavyweight title at the Thomas and Mack Center.

And has the biggest array of boxing bets to be found on this fight and others this month.

Hopkins enters the bout as the Ring Light Heavyweight titleholder, but the 41-year-old is considered the underdog to Calzaghe at Sportsbook.com. The oddsmakers have listed Calzaghe as a -260 favorite in the bout, while Hopkins is a +200 underdog.

Calzaghe enters the fight as the undisputed super middleweight champion, holding the WBO, WBC, WBA and Ring middleweight titles. Calzaghe earned the belts in his last fight, a unification bout versus Mikkel Kessler which he won by unanimous decision after it went the distance.

With that victory, Calzaghe improved to a lifetime 44-0 with 32 of those wins coming by knockout. However for Saturday’s fight Calzaghe has to move up a division to Light Heavyweight.

Hopkins won his Ring Light Heavyweight title by defeating Antonio Tarver via unanimous decision back in June 2006.

Since then he has made one title defense against Ronald “Winky” Wright in July 2007, which he also won by unanimous decision. Hopkins’ lifetime record stands at 48-4-1 with one no contest and 32 of those wins coming by knockout.

Check out the variety of boxing bets online such as over/under on the number of rounds, will the fight be a decision or knockout and more at .