How many season had the Seattle Seahawks had in the same year that was the 90th NFL Season?
2009 NFL season The 2009 NFL season was the 90th season in the history of the National Football League (NFL).
1991 Denver Broncos season The Denver Broncos season was the team's 32nd year in professional football and its 22nd with the National Football League (NFL). The team improved on its 5–11 from 1990, winning their third AFC West title in five years, and advanced to the AFC Championship game.