Njoku (knee) has been placed on IR by the Browns.

Njoku (knee) has been ruled out for Saturday's game against the Ravens, Mary Kay Cabot of The Cleveland Plain Dealer reports.

Njoku (knee) remained sidelined at practice Thursday, Scott Petrak of the Elyria Chronicle-Telegram reports.

Njoku (knee) isn't practicing Wednesday, Mary Kay Cabot of The Cleveland Plain Dealer reports.

Njoku (knee) was listed as a non-participant for Tuesday's walk-through practice, Mary Kay Cabot of The Cleveland Plain Dealer reports.

Njoku (knee) has been ruled out for Sunday's game against the Dolphins, Daniel Oyefusi of ESPN.com reports.

Njoku (knee) remained sidelined at practice Friday, Scott Petrak of the Elyria Chronicle-Telegram reports.

Njoku (knee) wasn't spotted at practice Thursday, Ashley Bastock of The Cleveland Plain Dealer reports.

Njoku (knee) was deemed a non-participant on Wednesday's practice estimate, Daniel Oyefusi of ESPN.com reports.

Browns head coach Kevin Stefanski said Monday that Njoku will have an MRI to diagnose the severity of a knee injury he sustained during Sunday's 24-6 loss to the Bengals, Scott Petrak of the Elyria Chronicle-Telegram reports.