Clay (ankle) cleared waivers Wednesday and shifted to injured reserve, per the NFL's official transaction log.
The Giants waived Clay (ankle) on Tuesday with an injury designation, Paul Schwartz of the New York Post reports.
Clay is ruled out for Sunday's game against the Texans, Jordan Raanan of ESPN.com reports.
Clay was sidelined with an ankle injury in Sunday's 20-13 loss to Dallas.
Clay was claimed by the Giants off waivers Sunday after being let go by the Bills, Jordan Raanan of ESPN.com reports.
Clay was part of Saturday's roster cutdown, John Murphy of the Bills' official site reports.
Clay (ribs) participated in Bills practice Monday, Joe Buscaglia of WKBW.com reports.
Clay (undisclosed) was unable to practice for the second straight day Sunday after leaving Friday's practice early after taking a hard hit, Chris Brown of the Bills' official site reports.
Clay (undisclosed) left practice Friday after taking a hard hit during the two-minute drill, Matthew Fairburn of The Athletic Buffalo reports.
Clay finished with five receptions (on 15 targets) for 57 yards and rushed twice for 27 yards in nine games for the Panthers this season.