sentences:  A 37–21 loss to the Kansas City Chiefs in week 14 knocked them out of playoff contention, but rebounded to end their season repeating 1978 at 9–7.With -7 total yards and just one first down, this is the fewest yards the Seahawks have ever gained in one match.It is the most recent – and only since 1970 – occasion when an NFL team has gained just one first down for an entire match, although the Denver Broncos did not gain a single first down in a 1966 game with the Houston Oilers.