San Francisco 49ers head coach Jim Tomsula has said that running back Reggie Bush will add a different dimension to their offensive game.

The 30-year-old signed for the Californian side two weeks ago after he was released by the Detroit Lions, and he will compete with Carlos Hyde and Kendall Hunter to be the team's main runner.

Tomsula told reporters: "Reggie's a very good space player. It's well documented, his skill set on third downs. Reggie's a guy. he's a running back. He's not a gadget guy, in my opinion. I think Reggie Bush is a running back. I'm really excited about having Reggie joining the crew."

He added: "Right now, we've got three guys in the backfield that we feel great about, we feel really, really good about. And they're all just a little bit different. So as we get rolling here and we throw the ball out on the field, let's take a look at what each guy does and build off that."

Bush scored two touchdowns last season.