Notebook: 49ers overcome Jimmy Garoppolo injury, beat Dolphins

That was … not good for the #49ers. Our in-game notebook:

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The 49ers’ game against the Dolphins wasn’t supposed to mean a ton for them from a playoff-chase perspective. Alas, a foot injury to quarterback Jimmy Garoppolo in a 33-17 win over Miami could alter the course of the 49ers’ season.

They still grabbed a victory behind rookie QB Brock Purdy and more sensational second-half defense. The win moves the 49ers to 8-4 on the season and keeps them atop the NFC West.

Here are our notes from throughout Sunday’s game: