All tidbits via the Bears Twitter LM: #Bears practicing inside Walter Payton Center today; will wear 1940s throwback uniforms Sunday vs. Vikings. LM: Only player on #Bears injury report is CB Charles Tillman (knee), who was limited in practice today. LM: #Bears coach Marc Trestman says Vikings RB Adrian Peterson will be "all we can handle" Sunday. LM: Trestman says #Bears don't need to do anything to fire up Julius Peppers; concedes Peppers didn't play as well as Peppers wanted to. LM: Trestman on #Bears not allowing a sack in opener: "We don't feel we;'ve arrived, but we got off to a good start." LM: Trestman says D.J. Williams ran well in opener and his conditioning 'was better than we thought" after missing entire preseason. LM: Trestman says Vikings will come to Chicago with sense of urgency after losing opener against Lions. LM: Trestman says he expects Charles Tillman to play Sunday; Tillman was limited in practice with sore knee.