Fred Jackson could miss up to one month with a groin injury.

The injury will not require surgery.

"It's not as bad as it could have been," Jackson said in a weekly appearance Monday on WGR 550 in Buffalo. "It's typically a four-week injury. But we'll try to do some things to get it sped up.

"I like to think of myself as somebody who can come back before typical. It's just gonna be on me to get in there and rehab and see the team doctors and do what it is they want me to do."