The San Francisco 49ers held off a furious Washington rally to win 23-17 on Monday night and stay perfect at 6-0.

San Francisco dominated the first half, then nearly gave the game away after receiver Mike Evans left with an aggravated Achilles injury.

Brock Purdy completed 17 of 22 passes in the first half, but just 4 of 7 after Evans went down.

George Kittle caught five passes for 69 yards and a touchdown. Christian McCaffrey scored twice but lost a fumble.

NBC Sports Bay Area gave the special teams a D-minus after a missed extra point and two costly late errors.

Coaching earned a C-plus and the overall grade was a C for a team dominant for one half only.

Safety Malik Mustapha sealed the win with a third-down stop and a pass breakup in the final minutes.

For Washington, Jayden Daniels threw for 300 yards on 29 of 40 passing, earning the passing offense a B.

Read the full article for more details on the Week 6 grades.