Hasty hurt his ankle during Sunday's game at Philadelphia, Matt Maiocco of NBC Sports Bay Area reports.

One week after losing starting running back Raheem Mostert for the season with a knee injury, the entire 49ers backfield got banged up in some way Sunday. Hasty himself had nine touches for 59 yards from scrimmage before his departure in the fourth quarter. Meanwhile, new starter Elijah Mitchell notched 19 touches for 53 total yards while tending to a shoulder injury, and Trey Sermon suffered a concussion following the first potential carry of his career, which was nullified because of an Eagles penalty.

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