FB Mack Strong had 22 catches in 16 games last season. He has 22 cathces in 10 games this season. Injuries and an overall dropoff in playing level at tight end have affected the balance this season. Despite quite a few injuries at receiver last season, that position accounted for 67.1 percent of catches, about the same as this season (69.2). Seattle also has more options at receiver. Tight ends are catching 10.8 percent of the balls, down from 18.9 percent last season. The running backs are catching 20 percent, up from 14 percent last season. The chart at right breaks down the receiving production through 10 games this season.