GREEN BAY, Wis. (AP) -- Green Bay Packers wide receiver Greg Jennings is not sounding optimistic about playing Sunday at Indianapolis.

Jennings missed practice Wednesday with a groin injury, and says there's no timetable for his return. He hopes he's better before Sunday's game in Indianapolis.

As frustrated as he is by the lingering injury, Jennings knows he can't rush his return. He's already missed one game and had to leave last weekend's game early. He says he needs to make sure he's completely healthy so he's not "up and down, in one game, out the next" the rest of the season.

Jennings has 12 catches for 78 yards and one touchdown.