KANSAS CITY, Mo. — Branden Albert is hurt, so is Jon Asamoah, and the No. 1 overall pick in last April’s draft has gone through a painful series of growing pains this season.It’s been a tough time to be a member of the Kansas City Chiefs offensive line.Yet despite all the shuffling caused by a spate of injuries, the front five has played perhaps its best football of the season the last three weeks, which just so happen to have coincided with the offense’s best performances of the season — and a frustrating three-game losing streak.“We’re just getting comfortable with the offense,” said offensive guard Jeff Allen, who missed a game earlier this season with an injury of his own. “There are a lot of little details in Coach (Andy) Reid’s offense.