Moreau was not targeted on any of his 11 offensive snaps during Sunday's 45-20 loss to Tampa Bay.
Moreau caught two passes on as many targets for 25 yards and a touchdown in Sunday's 36-20 loss to the Patriots.
Moreau did not garner any targets during Sunday's 34-30 win against the Panthers.
Moreau (knee) has been a full participant throughout the early portion of training camp, Vincent Bonsignore of the Las Vegas Review-Journal reports.
Raiders general manager Mike Mayock said Tuesday that Moreau is "ahead of schedule" in his rehab from the left knee injury he suffered in December, Jerry McDonald of The San Jose Mercury News reports.
Moreau (knee) was placed on injured reserve Tuesday.
Moreau (knee) is ruled out for the rest of the season, Scott Bair of NBC Sports Bay Area reports.
Moreau is slated to undergo an MRI on Monday after injuring his knee in Sunday's 42-21 loss to the Titans, Adam Caplan of SiriusXM Radio reports.
Moreau (knee) is ruled out for the rest of Sunday's game against the Titans.
Moreau caught his lone target for 15 yards in Sunday's 40-9 loss to the Chiefs.