Tanney was placed on the reserve/retired list by the Giants on Tuesday, Aaron Wilson of the Houston Chronicle reports.
The Giants signed Tanney to a reserve/future contract Monday, Michael Eisen of the Giants' official site reports.
Tanney is traveling with the Giants to Seattle and expected to re-join their practice squad, Dan Duggan of The Athletic reports.
Tanney was waived by the Giants on Saturday, Jordan Raanan of ESPN.com reports.
New York placed Tanney on the active/non-football illness Tuesday, Ralph Vacchiano of SportsNet New York reports.
The Giants have exercised the 2020 option on Tanney's contract, Field Yates of ESPN reports.
The Giants signed Tanney to the 53-man roster Friday, Dan Salomone of the team's official site reports.
The Giants waived Tanney on Thursday, Ralph Vacchiano of SportsNet New York reports.
Tanney re-signed with the Giants on Monday, Art Stapleton of The Bergen Record reports.
Tanney is inactive due to coach's decision for Sunday's tilt against Chicago, Art Stapleton of The Bergen Record reports.