More good news for the 49ers.

According to NFL Network’s Ian Rapoport, Dre Greenlaw will make his season debut tonight against the Los Angeles Rams. It’s unclear how the 49ers plan to use him in his first game appearance in 10 months, but it’s safe to assume he’ll be on the field quite a bit.

Greenlaw tore his Achilles tendon while jogging onto the field between series during the Super Bowl. Before he went down, the 49ers defense was playing quite well against Patrick Mahomes and the Chiefs. After Greenlaw went down, the Chiefs moved the ball at will. He is so important to the 49ers.

Greenlaw will most likely replace Dee Winters as the 49ers’ strongman linebacker. Winters typically plays 10 to 20 snaps per game and leaves the field when the 49ers use their nickel defense. That seems like a reasonable way to get Greenlaw wet.

Remember, Christian McCaffrey was rusty after missing a few months with Achilles tendonitis. That means Greenlaw will most likely be rusty too. It’s unrealistic to expect him to be the Greenlaw we immediately remember. If he can simply score one or two big hits early in the game, he will give his teammates an emotional boost. And they could use an emotional boost considering they’ve been flat-footed in most games this season.

If Greenlaw can also help the 49ers’ run defense, even better. Because Rams running back Kyren Williams scored three touchdowns against the 49ers in Week 3. Maybe Greenlaw can take him down near the goal line.

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