You should definitely join if you like playing recreational softball with fun people of varying skill levels. The ideal team would consist of players who like to win, but don't throw tantrums when they lose. It is, after all, only softball. We need more girls to sign up for the group and to make it out to the games!
All you need is your glove and yourself. Even then, we should be able to come up with spares if you don't have one. Bats and balls will be provided.