Despite being projected as a 4th–5th round pick, Davis went undrafted in the 2014 NFL Draft. However, he was signed by the San Diego Chargers on May 10, 2014. Davis spent most of the year returning kicks averaging 25.1 yards per return. He ended the year with 15 tackles, a pass defended, and a forced fumble. On September 1, 2015, Davis was released.