OK there are 268,435,456 possible outcomes from 28 cup draws.
To have 20 (or more) draws come out of the hat as home(s), there are 1,683,218 outcomes.
Putting that as a percentage, the likelihood of them getting 20 or more homes from 28 draws is 0.63%.
If you look at it from another angle, there are only 1,184,040 outcomes which give exactly 20 home draws, a probability of 0.44%.
The probability of getting 14 home draws, i.e. half as the statistics would suggest, is 14.94%.
So, over the last 28 draws, Sevco have had an outcome which is 33.88 times unlikelier than the most likely scenario.......
Assuming your figures are correct Smarmy this looks very suspicious.....