May 9 -- Deadline for Prior Club to send "May 9 Tender" to its unsigned Unrestricted Free Agents. If the player has not signed a Player Contract with a club by July 22 or the first scheduled day of the first NFL training camp, whichever is later, he may negotiate or sign a Player Contract from that date until the Tuesday following the 10th weekend of the regular season, at 4:00 p.m., New York time, only with his Prior Club.