San Francisco 49ers' Jarryd Hayne fumbles a punt during the first half of an NFL football game in Santa Clara, Calif., Monday, Sept. 14, 2015.
AP Photo/Tony Avelar
SAN FRANCISCO (KGO) -- The San Francisco 49ers have announced that they have promoted running back Kendall Gaskins to the active roster and waive Aussie running back Jarryd Hayne.