New York waived Harper (groin) on Wednesday, Michael Eisen of the team's official site reports.
Harper exited Sunday's preseason game against the Browns with a groin injury and was ruled out from a return, Art Stapleton of The Bergen Record reports.
Harper (knee) was activated from injured reserve Saturday, Jordan Raanan of ESPN.com reports.
Harper (knee) was designated to return from IR on Wednesday, Dan Salomone of the Giants' official site reports.
Harper (knee) landed on the Giants' injured reserve Friday, Jordan Raanan of ESPN.com reports.
Harper (knee) has been ruled out for Sunday's game against the Cardinals.