Alex Gibbs is a retired American football

American football

American football is a sport played between two teams of eleven with the objective of scoring points by advancing the ball into the opposing team's end zone. Known in the United States simply as football, it may also be referred to informally as gridiron football. The ball can be advanced by...

 coach. Gibbs was to enter his first season on Pete Carroll

Pete Carroll

Peter Clay Carroll is the head coach and executive Vice-President of the Seattle Seahawks of the National Football League. He is a former head coach of the New York Jets, New England Patriots and the University of Southern California Trojans football team.-Early life:Carroll attended Redwood High...

's Seattle Seahawks

Seattle Seahawks

The Seattle Seahawks are a professional American football team based in Seattle, Washington. They are currently members of the Western Division of the National Football Conference in the National Football League . The team joined the NFL in 1976 as an expansion team...

 staff as the Assistant Head Coach and Offensive Line coach in 2010, but announced his unexpected retirement a week before the start of the NFL's 2010 regular season.

Gibbs is a well known proponent of the Zone Blocking

Zone blocking

Zone blocking is a technique in American football that is a simple and effective scheme for creating lanes for running plays.In a zone blocking scheme, fleet-footedness and athletic ability trump size as desirable qualities in offensive linemen...

 scheme and popularized its use while he was Offensive line coach of the Denver Broncos

Denver Broncos

The Denver Broncos are a professional American football team based in Denver, Colorado. They are currently members of the West Division of the American Football Conference in the National Football League...

. Denver became famous at that time for its use of smaller, more agile offensive linemen and the success of its running backs, most notably Terrell Davis

Terrell Davis

Terrell Lamar Davis is a former American football running back who played for the Denver Broncos of the National Football League from 1995 to 2001. Davis was drafted by the Broncos in the sixth round of the 1995 NFL Draft. Davis is the Denver Broncos all-time leading rusher, with 7,607 rushing...

.