High school career

He was ranked as the 9th overall linebacker prospect in the nation by Scout.com. He also was ranked as the 55th best prospect in the state of Texas by Rivals.com. He was selected to the Preseason All-Greater Team before his Senior season at High school. He was selected to the All-Greater Houston team while at high school. He also was named to the third team of Dave Campbell's Texas Football Magazine's Super Team.

Name	Home town	High school / college	Height	Weight	40‡	Commit date
Damion Square Defensive tackle	Houston, Texas	Yates High School	6 ft 3 in (1.91 m)	270 lb (120 kg)	4.78	Jan 11, 2008
	Scout: Rivals: 247Sports: ESPN grade: 79
Overall recruiting rankings: Scout: 9 (SLB) Rivals: 37 (DT) 247Sports: 16 (SDE) ESPN: 24 (DE)
‡ Refers to 40 yard dash Note: In many cases, Scout, Rivals, 247Sports, and ESPN may conflict in their listings of height, weight and 40 time. In these cases, the average was taken. ESPN grades are on a 100-point scale. Sources: "2008 Alabama Football Commitments". Rivals.com. Retrieved 2013. "2008 Alabama Football Recruiting Commits". Scout.com. Retrieved 2013. "Scout.com Team Recruiting Rankings". Scout.com. Retrieved 2013. "2008 Team Ranking". Rivals.com. Retrieved 2013.

College career

He played college football at Alabama. In his Sophomore season, He finished the season with 27 tackles and 3 sacks. He finished his last two seasons with a total of 65 tackles, 4.5 sacks and 2 pass deflections. On July 19, 2012, He was selected to the preseason all-SEC second team prior to his Senior season.

NFL career

Philadelphia Eagles

After going undrafted in the 2013 NFL Draft, Square was signed as a free agent by the Philadelphia Eagles. He was released by the Eagles on August 30, 2014.

Kansas City Chiefs

Square was claimed off waivers by the Kansas City Chiefs on September 1, 2014. He was released October 31.

San Diego Chargers

After he was released by the Chiefs, Square was claimed off waivers by the San Diego Chargers on November 3, 2014. On March 11, 2016, he was resigned by the Chargers to a one year contract.

[ Source: Wikipedia ]