Commings was born in Augusta, Georgia. He attended Westside High School in Augusta, and play high school football for the Westside Patriots. As a senior in 2007, he missed five games with a cracked fibula but still tallied three interceptions, 41 tackles, 109 rushing yards, 248 receiving yards and four receiving touchdowns, and as a junior, he recorded seven interceptions. He also played baseball, where as a junior, he batted .406 with six home runs, 27 runs batted in and 18 stolen bases and was a 37th round draft pick of the Arizona Diamondbacks in the 2008 MLB Draft.
While attending the University of Georgia, Commings played for coach Mark Richt's Georgia Bulldogs football team between 2008 and 2012. During his college career, he appeared in 58 games, starting 34 of them, and accumulated 154 tackles (113 solo), six tackles for loss, 17 pass break-ups and eight interceptions.
On July 23, 2013, Commings fractured his left collarbone during training camp practice and was expected to be sidelined anywhere from two to six weeks. On July 30, 2014 he broke his ankle during training camp, which required surgery. On September 5, 2015, Commings was waived.