Gore reverted to the Bills' practice squad Wednesday, per the NFL's transaction log.
The Bills have elevated Gore from their practice squad ahead of Monday night's game against the Jets.
The Bills are re-signing Gore (knee) to the practice squad Wednesday, Jordan Schultz of BleacherReport.com reports.
The Bills waived Gore (knee) on Tuesday, Tom Pelissero of NFL Network reports.
Gore is scheduled to undergo X-rays after injuring his knee during Saturday's preseason game against Carolina, Alaina Getzenberg of ESPN.com reports.
Gore (knee) is out for the rest of Saturday's preseason game against the Panthers.