A full agreement in principle hasn't been completed, and another person familiar with the talks said there is no guarantee a full document will be finished Wednesday.
The people spoke Tuesday to the AP on condition of anonymity because the process is supposed to remain confidential.
While lawyers from both sides worked on contract language in New York, the leadership of the NFL Players Association met at the group's headquarters in Washington. Representatives of all 32 teams are supposed to arrive Wednesday.
Owners meet Thursday in Atlanta and could vote - if a full deal is ready.
