Double, 20.8: Chelsea to win vs Watford! Posted on August 20, 2016 by Combo Bets Acca Bet Predictions, 20.8 Watford v Chelsea: 2 @ 1.70 Pirin v CSKA: 2 @ 1.53 Combo Odds: 2.60 @ BET365 Offer: £200 (100% Deposit Bonus)! Facebook7TweetPin