Standard disclaimer: do not go to the posted coordinates, my geocache is not there.
The geocache is located at N38 58.ABC W76 33.XYZ
A = last digit of the year ground broke
B = 2nd digit of the date ground broke
C = last digit of year football club signed the contract
X = date complex opened
Y = 3 rd digit of area of complex
Z = last digit of day of ground breaking