NBC Sports' Peter King predicts that the San Francisco 49ers 

are the backfield veteran to start the season running behind Mitchell,

with Trey Cerman serving as an active No. King thinks

that both Mitchell and Cerman will have plenty of opportunities,

he could be 1,000 yards behind in the Niners offense.

The 49ers are looking to gradually bring in quarterback

Trey Lance into his first full season as a starter,

so San Francisco could be a heavy offense at the start.

The sermon has reportedly been on the roster bubble this summer,

but general manager John Lynch has praised him as well.

The second year will likely be on the first roster,

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