News & Your Opinion Halo Fri ,04 2525 17 hours ago Last Updated : 06:30 AM Prop betting has grown into major wagering attraction Art Manteris at Caesars Palace had an idea leading up to the Super Bowl in the 1985 season HALO NEWSLETTER Keep reading HALO with a Free Subscription unlock this story instantly and join members and pros reading HALO daily -It's Free SIGN UP LOGIN