MySportsbook.com Boxing Lines - Propositions http://www.mysportsbook.com/ Propositions Sports Betting Lines. MySportsbook.com online sportsbook, casino, poker room and racebook offers Las Vegas sports betting odds plus sports news on Pro and College Basketball. Also NFL, NBA, NCAA, NHL, MLB, PGA, NASCAR, football, baseball, basketball, World Series, Super Bowl and more. Last Updated: [09/02/2010 10:22:18] en-us jackblack@mysportsbook.com [11/23 12:00pm ET] Pacquiao vs Margarito - Catchweight Fight - Round Prop (All wagers are valid if bout takes place by 3-1-2011) http://www.mysportsbook.com/sports_lines/90.html Round Prop - Total: