In football, he won All-State honors and made 50 receptions for 916 yards and 18 touchdowns as a senior.

He was named honorable mention All-Pac-10 as a senior after starting seven of 11 games, making 20 receptions for 287 yards.

[1] During his time at Washington, he played under Scott Linehan, who was initially the wide receivers coach and later the offensive coordinator.

[1] After playing in three preseason games in 2002,[7] Looker signed with the Rams practice squad on September 9, 2002, and to the active roster on December 12.

On the October 10 away game against the Seattle Seahawks, the Seattle-area native Looker made a critical, out-of-bounds 16-yard catch to bring the Rams to the 18-yard line and set up a game-tying field goal late in the fourth quarter.

In 2007, he played in 13 games serving as holder in each of the contests and made six receptions for 38 yards and Rams' 2007 recipient of the Ed Block Courage Award.

[9] The head coach of the Rams during 2006, 2007, and 2008 seasons was Scott Linehan, for whom Looker had previously played at the University of Washington.

The Detroit Lions signed Looker on August 17, 2009, after the team waived wide receiver Bobby Sippio.

He won the general election and was installed as a member of the Puyallup School Board on December 12, 2011.