Mayer caught one of two targets for 11 yards in Monday's 15-9 loss to the Falcons.
Mayer caught two passes on as many targets for 11 yards in Sunday's 29-19 loss to the Broncos.
Mayer caught one of three targets for five yards in Sunday's 34-19 loss to the Dolphins.
Mayer (personal) is active for Sunday's game against the Dolphins.
Mayer was activated from the reserve/non-football illness list Saturday, Ian Rapoport of NFL Network reports. He still remains questionable for Sunday's contest against the Dolphins.
Mayer (personal) is listed as questionable for Sunday's contest at Miami.
The Raiders designated Mayer (personal) for return from the reserve/non-football illness list Tuesday.
Raiders coach Antonio Pierce said Monday that he thinks Mayer (personal) is "getting close" to a return, Tashan Reed of The Athletic reports.
The Raiders placed Mayer (personal) on the reserve/non-football illness Friday.
Mayer (personal) remains away from the Raiders, Vic Tafur of The Athletic reports.