Bookies were individuals who accepted bets either over the phone, face-to-face with bettors, or even online. If a bookie set the Miami Dolphins and Chicago Bears point spread at 10 points, for example, the bookie would want nearly equal amounts of bets on both sides of the point spread.

No DraftKings promo code is required, but we broke down the details here: How much money can you earn with a "bet $5, get $150 in bonus bets" offer ?