 He played all four preseason games.On 5 September 2015, Hayne made the 53-man final roster by surviving the last day of cuts before the start of the regular season, capping a swift transition to his new sport.On 14 September 2015, Hayne made his NFL debut for the 49ers against the Minnesota Vikings at Levi's Stadium in Week 1 of the 2015 NFL season.