Loser No. 1 - Offensive line coach Andy Dickerson
Early in the season, Andy Dickerson seemed like a stud coach. The Seahawks were dealing with multiple injuries across the line and Dickerson was having to put out a piecemeal group. Yet, for many weeks early in the season, including a Week 2 victory over the Detroit Lions, the offensive line held up well. That seemed like a testament to Dickerson.
But those weeks now seem like a lie. Except against the Dallas Cowboys in Week 13, which was a weird game all around as neither team punted and both offenses looked fantastic, whoever has been the quarterback of the Seahawks has been under duress. In Week 16, Geno Smith managed to have a good game, but until the very end, the Titans' defensive line looked a lot like the New York Giants defensive line that led New York to two Super Bowl victories earlier this century.
The Titans sacked Smith 3 times and hit him 4 other times, but also had multiple tackles for loss in the run game. Seattle averaged just 2.9 yards per rush and 4.6 yards per play. That isn't due to an offensive coordinator's playcalling, that is because the offensive line is Swiss cheese.
Plus, the last couple of games, the Seahawks are back to starting their best five players. Rookie right guard Anthony Bradford has had the worst issues and has not progressed in terms of pass blocking. That's likely from lack of good coaching and not lack of ability.