Arlington Louis "Ali" Highsmith (born January 20, 1985) is an American former professional football player who was a linebacker for the Arizona Cardinals of the National Football League (NFL). He played college football for the LSU Tigers, earning first-team All-American honors in 2007. He was signed by the Cardinals as an undrafted free agent in 2008.

Early years

Highsmith played high school football at Central High School in Miami, Florida.

Professional career

Arizona Cardinals

Highsmith went undrafted in the 2008 NFL draft and was signed by the Arizona Cardinals shortly following the draft. In 2008, Highsmith made the team out of training camp and went on to appear in six games for the Cardinals as a rookie before being placed on season-ending injured reserve with a knee injury on November 4. He finished the season with four tackles. Highsmith was waived by the Cardinals on December 22, 2009, and re-signed to the team's practice squad the following day. He was re-signed to a future contract on January 18, 2010. He was waived on August 3, 2010.

San Diego Chargers

Highsmith was claimed off waivers by the San Diego Chargers on August 5, 2010. He was waived on August 13.