At the moment, his head coach, Jim Tomsula, won't say.
"We've made a decision, yeah," Tomsula said, via CSN Bay Area. "It's the same group you've seen. All the guys have done a nice job with that."
Hayne returned by far the most punts out of anyone potentially in the mix for Monday night. Though he only returned one kickoff, it went for more than 30 yards.
It would make little sense not to at least give him a shot. The 49ers are a team that needs to thrive on new energy after such a melancholic offseason, and Hayne provides them with a fresh perspective on a punt return game that has been looked at the same way for nearly a decade now.
Tomsula would have almost nothing to lose, and it would legitimize keeping a player like Hayne on the roster for special teams use only.