Career
He was signed by the Tampa Bay Buccaneers as an undrafted free agent in 2008. He played college football at Tennessee. High-School Hefney played high school football at Rock Hill High School in Rock Hill, South Carolina.
He led his school to an undefeated record in 2002.
Following his senior season, Hefney played at Hargrave Military Academy in Chatham, Virginia. Hefney was a four-year starter at either cornerback or safety during his time at Tennessee, starting every game except for the 2004 season opener against University of Nevada, Las Vegas. Hefney also garnered attention as a punt return specialist.
Tampa Bay Buccaneers Hefney was expected to be selected early in the 2008 NFL Draft but instead he went undrafted, and signed with the Tampa Bay Buccaneers. On July 25, 2008 he was released from the Buccaneers.
Hefney was signed to the Philadelphia Eagles practice squad on September 9, 2008.
Winnipeg Blue Bombers Failing to make an NFL team, the Winnipeg Blue Bombers of the Canadian Football League signed Hefney on May 28, 2009. He recorded 66 tackles and four interceptions his rookie season, earning Eastern Division and All-Star honors. However Hefney left the next year to play in the NFL again.
Detroit Lions His time in the NFL that year was short however as Hefney was signed by the Detroit Lions on January 4, 2010, and released on September 4, 2010.
He was re-signed to the practice squad on September 6, and released on September 23. Winnipeg Blue Bombers (II) He returned to the Blue Bombers four days after being released by the Detroit Lions.
The 2011 Winnipeg Blue Bombers season saw Hefney as part of the self-titled "Swaggerville" defence that was arguably tops in the league. Hefney was named a Canadian Football League East Division all-star again in 2012.
Just prior to the start of June 2013 training camp, Hefney was charged with marijuana possession in his home state of South Carolina.
He was released by the Bombers on June 15 2013. Hefney played three full seasons and parts of a fourth with the Winnipeg Blue Bombers. Calgary Stampeders On June 18 2013, 3 days after being released by Winnipeg, Hefney signed with the Calgary Stampeders of the Canadian Football League He was released by the Stampeders on May 21, 2014.
