Kaelon Black Questionable For Week 2 Due To Groin Injury

San Francisco 49ers rookie running back Kaelon Black is listed as questionable for Sunday's matchup against the Miami Dolphins after being limited in practice Thursday and Friday with a groin injury. Head coach Kyle Shanahan noted he has a "questionable amount of optimism" regarding Black's availability. If Black is inactive or limited, Jordan James will serve as the primary reserve tailback behind Christian McCaffrey, which could also lead to additional touches for Deebo Samuel.