The Giants may need more out of Peyton Hillis than expected.

Running back Brandon Jacobs who is battling a hamstring injury is not likely to play against the Vikings a person with knowledge of the situation confirmed. The person requested anonymity in order to speak freely on the matter.

Fox Sports first reported the news.

Jacobs is coming off a two-touchdown performance against Chicago where he sustained the hamstring injury. Throughout the week he practiced on a limited basis and was listed as questionable on the team's injury report.