What 20-to-1 means: When you see 20-to-1 odds, you're looking at a long shot that is unlikely to win. In fact, the implied win probability for a team that's 20-to-1 is 4.76%. However, should that long shot come in, it would pay out $20 for every $1 wagered.
Over 2.25 Bets win if there are three or more goals scored in the match. If there are two goals exactly, half the stake will be returned and half will be lost. Bets lose if there is 0 or 1 goal scored in the match. Over 2.5 Bets win if there are three or more goals scored in the match.