SANTA CLARA, Calif. -- With four games scheduled in the next 23 days, the San Francisco 49ers are placing tight end George Kittle on injured reserve with a hamstring injury, sources told ESPN's Adam Schefter on Tuesday.

Kittle, who suffered the injury in the first half of Sunday's victory against the Seattle Seahawks , will miss games at New Orleans, home against Arizona and Jacksonville and at the Los Angeles Rams . The last of those games is set for Thursday Night Football, which made the decision to place Kittle on IR a bit more academic.

The Niners also are making a change at kicker, as they are set to waive Jake Moody , a source told ESPN on Tuesday. The decision comes after Moody missed a 27-yard field goal and had a 36-yard attempt blocked against Seattle.

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