Marshawn Lynch has had to stay outside on the sidelines getting treatment during halftime in 10-degree wind chill at Kansas City because his low back was aching. He’s had to sit out two drives in the first half of yesterday’s game against Arizona in Seattle while spending some of the time next to the bench sitting on a stationary bike and not pedaling.
The last three weeks, the Seahawks’ star running back had to sit out practices on Wednesday and Thursday. The first week it was rest and a calf injury. The second …