_On Sunday, teams can sign undrafted rookies.
_On Wednesday, the league year officially begins, so free agency opens in full, and all training camps will open with a 90-man roster limit; activities that day will be limited to physicals, meetings and conditioning. All clubs must be under the salary cap.
_Players can practice without pads next Thursday and Friday.
___
AP Pro Football Writers Barry Wilner and Howard Fendrich, AP Sports Writers Teresa Walker, Charles Odum, John Wawrow and Rachel Cohen, and AP freelance writer Amy Jinkner-Lloyd contributed to this to report.
___
Follow Howard Fendrich at http://twitter.com/HowardFendrich
Follow Barry Wilner at http://twitter.com/wilner88
Follow Paul Newberry at http://twitter.com/pnewberry1963
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