Allen failed to reel in his only target in Sunday's 30-27 win over the Raiders.
Allen went without a reception for the fourth straight contest to open his NFL career. The wide receiver impressed during the preseason, but he has yet to make his mark during the regular season. Allen could be set for an expanded role following the team's Week 5 bye week though, as both Rashee Rice (hamstring) and Tyquan Thornton (ankle) suffered injuries against Las Vegas, the latter of which is season-ending.