Gill did not play college football. Gill played basketball at Texas Agricultural and Mechanical University–Corpus Christi before transferring to Texas State, where he competed in track & field, running the 200-meter dash in 21.14 seconds and the 400-meter dash in 46.52 seconds. Gill signed with the Green Bay Blizzard but was cut before the 2008 af2 season started.
He signed with the Louisville Fire but never played for them and was traded to the Texas Copperheads.
After two games with the Copperheads, Gill was released and signed by the Lubbock Renegades. In July 2009, Gill signed with the Milwaukee Iron.
He played for the Abilene Ruff Riders in 2010. He played for the Kansas City Command in 2011 and 2012.
Gill signed with the Arizona Cardinals in April 2013.
In June 2013, Gill posted a video of himself running 25 mph on a treadmill to YouTube. The video has over 3,000,000 views. The Cardinals released Gill and Robby Toma on August 21, 2013.
Gill signed with the Toronto Argonauts prior to the 2014 season.
He was released by the Argonauts on November 11, 2014. His mother, Marie, moved to San Antonio from Panama.