San Francisco 49ers running back Jarryd Hayne (38) against the Dallas Cowboys during the second half of an NFL preseason football game in Santa Clara, Calif., Sunday, Aug. 23, 2015.
San Francisco 49ers running back Jarryd Hayne (38) against the Dallas Cowboys during the second half of an NFL preseason football game in Santa Clara, Calif., Sunday, Aug. 23, 2015. Ben Margot AP
San Francisco 49ers running back Jarryd Hayne (38) against the Dallas Cowboys during the second half of an NFL preseason football game in Santa Clara, Calif., Sunday, Aug. 23, 2015. Ben Margot AP
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49ers Q&A: Explaining 46-man rule; does Hayne play?; television options

September 14, 2015 10:46 AM