Sophia makes a joke about Raymond Burr never having married. Burr actually was married from 1948 to 1952 to Isabella Ward.
Dorothy and Rose record the weights of the players while they wear their football gear. It's common knowledge that one should wear, at the most, loose clothing when getting weighed. Anything else would affect the scale and not give an accurate reading of the person's actual weight.
Dorothy says that she and Rose have the flu. Rose says that they should try to get better in time for the children's football game that same day. It's common knowledge that, if one has the flu, human contact with children, the elderly, and those with compromised immune systems should be restricted.