toughness and through their team always enjoyed going up there and knowing that some of the greats, the mike ditkas of the world are paying attention. >> reporter: top bears receiver, alshawn jeffrey, officially listed as questionable with the hamstring injury. multiple report say he will not be available for sunday. if somehow he does play, the wide out could be without starting q.b. jay cutler, also listed as questionable. the general belief is that cutler will be given another week to rest his hamstring injury before returning to action. >> given these rough patches, there's one way to go. you either pull together, or you fraction off. i mean, that's -- everything you do in life. >> reporter: things are not getting any easior for the 49ers this week facing the green bay packers. now probably without number 85. that's right, vernon davis not expected to play due to a knee injury. he is the only 49er listed as doubtful for sunday, having not practiced all week. jim tomsula pleased with the overall preparation. >> guys communicating, they're in the locker room together now. i mean, it's -- i like t