Complex sentence: The 2010 Seattle Seahawks season will be the 35th season for the team in the National Football League, their first season under new head coach Pete Carroll, and their 9th season playing their home games at Qwest Field.
Split into simpler sentences: The 2010 Seattle Seahawks season is the 35th season for the team in the National Football League. This marks the 9th season that the Seahawks will be playing their home games at Qwest Field.