Jerick McKinnon to have MRI on right knee
/ 49ers

By Chris Biderman

49ers running back Jerick McKinnon sat out the second half of practice Sunday after suffering an apparent right knee injury. The team announced afterwards he would undergo an MRI.

The news comes while San Francisco is dealing with a slew of injuries to notable players following their preseason opening Thursday over the Dallas Cowboys.

McKinnon’s backup, Matt Breida, suffered a separated shoulder and is expected to miss the remainder of the preseason, though the team is confident he’ll be ready for Week 1’s trip to play the Minnesota Vikings.

With McKinnon and Breida out during practice, the 49ers relied heavily on Raheem Mostert at running back along with Jeremy McNichols, who spent most of last season on the practice squad. Undrafted rookie Jeff Wilson rounds out the position group.

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Joe Williams, a fourth-round draft pick in 2017, missed practice Sunday his brother in law was recently murdered. Williams flew back to the East coast.

McKinnon signed a four-year, $30 million contract in the spring after spending his first four seasons as a backup with the Vikings. He rushed for minus-four yards on three carries during his preseason debut Thursday while appearing only during the first...



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