Originally posted by: ErmanC
If you figure the most a team could score is 15 runs, then you're looking at at least 15 possibilities for the winning team and 14 possibilities for the loser translating to odds of 1 in 210 (15*14).
15 is totally a swag, if you assume they can score more runs the odds go up or vice versa. Either way I wouldn't think it would be much more than 1 in 500.