You will need to bring Form N-445, Notice of Naturalization Oath Ceremony, which you will either receive at the conclusion of your interview or later in the mail. Your permanent resident card (If you have forgotten it, you can take the oath, but will need to return it before you receive your naturalization certificate.
Indoor football, past professional leagues such as the USFL and XFL, and some women's and amateur leagues play in the February to August season. Association football Usually August to May in the Northern Hemisphere, and February to November in the Southern Hemisphere.
The Browns and Saints start the earliest with sessions June 5 to 7. Most of the league will conduct their minicamps June 12 to 14 before breaking for the summer. Six teams hold their minicamps on the last possible days: June 19 to 21. And then the real NFL dog days start.