The person spoke to The Associated Press on condition of anonymity Sunday because the two sides were still working on terms of the contract. The person said an announcement is expected early in the week.
Collins was chosen over a group of finalists that included Wally Backman, Chip Hale and Bob Melvin. He takes over for Jerry Manuel, who was fired along with general manager Omar Minaya in a restructuring of the front office following another dismal season.
The Mets have already hired Sandy Alderson as their new general manager, and former major league GMs Paul DePodesta and J.P. Ricciardi as assistants in the front office.