Adrian William Klemm (born May 21, 1977) is an American football coach and former offensive tackle who is currently an offensive assistant for the New England Patriots of the NFL. He previously served as the offensive line coach for the Pittsburgh Steelers of the National Football League (NFL) in 2021.

Klemm played college football at the University of Hawaii and was drafted by the New England Patriots in the second round of the 2000 NFL Draft, the same draft in which they selected Tom Brady in the sixth round. Klemm spent six seasons in the NFL with the Patriots and Green Bay Packers, winning three Super Bowls as a member of the Patriots.^[1] Following his playing career, Klemm began coaching at Southern Methodist University in 2008 as a graduate assistant and being promoted to be their offensive line coach in 2009 and serving in that position for four seasons before serving in the same position at UCLA from 2012 to 2016.

High school years

Klemm attended Saint Monica Catholic High School in Santa Monica, California, and was a prep teammate of Marcellus Wiley and was named the Santa Monica athlete of the year as a senior. Klemm was a two-time All-League selection in both football and basketball.

College career

Klemm attended the University of Hawaii and was a four-year starter. He played under June Jones during his senior season (1999), and was a part of the biggest turnaround in NCAA history, as Hawaii improved from 0–12 to 9–4 and won a bowl game that season. Following his senior season, Klemm was selected as the starting left tackle at the Senior Bowl and also earned invitations to the East-West Shrine Game and the Hula Bowl.

Professional career

Klemm was drafted by the New England Patriots in the second round (46th overall selection) of the 2000 NFL Draft. Klemm spent five years with the Patriots, appearing in 26 contests with 10 starts. Klemm was also a member of three Super Bowl champion teams during his time with the Patriots. Klemm spent his final professional season with the Green Bay Packers in 2005, appearing in 16 games and starting in half of those games for the Packers.

Coaching career

Klemm began his coaching career in 2008 as a volunteer with the SMU Mustangs, coached by Klemm's former college coach June Jones. In 2009, Klemm was named the offensive line coach and in 2011, he added the title of recruiting coordinator for the Mustangs. During his time at SMU, Klemm quickly became known for being one of the nation's top recruiters. Following the 2010 season, Klemm was named the top BCS non-AQ Recruiter in the nation by Rivals.com, and was further recognized by the outlet as one of the top 25 recruiters in the country overall. Fox Sports/Scout.com also named him the 2010 Conference USA Recruiter of the Year.^[2]

In December 2011, Klemm accepted an offer to become the offensive line coach and run game coordinator for the UCLA Bruins under coach Jim L. Mora In just a few short weeks on the job, he helped the Bruins bring in one of the nation's top recruiting classes and was named the Pac-12 Recruiter of the Year by 24/7 Sports.^[3] He was elevated to associate head coach in 2014. Klemm coached for five seasons before parting ways with UCLA on January 15, 2017. He and Mora were listed in three different lawsuits by three former Bruins players for mishandling injuries.^[4] Klemm was dismissed from the players’ lawsuits by December 2021.^[5]

After Mike Munchak was named the offensive line coach for the Denver Broncos in 2019, Klemm was named the assistant offensive line coach for the Pittsburgh Steelers, replacing Shaun Sarrett who was promoted to offensive line coach.^[6] The Steelers promoted Klemm to offensive line coach on February 2, 2021.^[7] On December 27, 2021 Klemm left the Steelers with 2 games remaining in the regular season to become an offensive line coach at Oregon.^[8]