That's payout, though, not loss. Also, an outsider winning, as with Leicester in the PL, will have plenty of knock-on effects elsewhere during the season as a whole, especially on the week-to-week coupons, which are the main engine of football turnover. In a sense, they are hedging any bets on...
Won't be far off. Boro currently 1.91 to win next week, so draw/Albion win is 2.1. But Albion price to beat Derby is 1.7, which would mean we only need a draw. In that scenario, I'd reckon it's basically 1.91 each of two, tho the books will have much bigger prior liabilities on Boro.