The Wolverines visit the Fighting Illini in a ranked conference matchup, and new bettors can unlock a generous FanDuel Sportsbook welcome bonus with their first winning wager. First-time users can claim $100 in bonus bets when their $5 wager wins on the Big 10 showdown between No. 3 Michigan and No. 10 Illinois. No actual promo code is needed to trigger FanDuel's welcome offer.