Offer expires at 1:00 p.m. EST December 6th, 2015 OR when the NFL Millionaire Maker contest fills.This promotion is governed by the DraftKings Refer-A-Friend program terms and conditions. New referred players MUST click on your personal referral link and make a deposit to qualify. Participant tracking can be seen on your personal Refer-A-Friend page. Players are eligible for this promotion for up to 2,000 Tickets ($20 value each). Other restrictions apply. Click here for details.