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In a perfect world, the 49ers might not have seen much of Chris Borland this year.

But his play over the last month has helped them withstand losing linebacker Patrick Willis to a toe injury.

The third-round pick from Wisconsin was named the NFL’s defensive rookie of the month for November, after a brilliant stretch of games in relief.

He led the entire league with 70 tackles in November, and also had two interceptions. According to the league, he’s the only player in the last 20 years to accumulate those numbers.

No matter how you count it, the 49ers are glad to have such an insurance policy.