He played college football for the Arizona State Sun Devils, earning consensus All-American honors in 2006.

Miller played in the 2004 U.S. Army All-American Bowl, which is an annual all-star game for the nation's best high school football players.

Also a standout performer in the throwing events, Miller was a three-year letterman in track & field, and he set the school discus record and was the shot put regional champion in 2004.

[1] The Raiders selected him after many disappointments at the team's tight end position, including Doug Jolley, Courtney Anderson, and Randal Williams.

In the 2012-13 NFL Playoffs, Miller was the leading receiver for the Seahawks in both games, and had 142 yards in the 30–28 Divisional Round loss to the Atlanta Falcons.

[4] Miller earned a championship ring when the Seahawks won Super Bowl XLVIII following the 2013 season, in which they defeated the Denver Broncos 43–8.

He started work at AWM Capital in September 2020 to be part of a team "attempting to revamp the current financial system plaguing an abundance of professional athletes.