Answer
The answer to the question, "Was Troy Davis's highest level of football in the NFL?" is no. Troy Davis was a college football player at the University of Georgia from 2004 to 2007. After college, Davis played in the Canadian Football League (CFL) for two seasons, from 2008 to 2009. Davis then played in the Arena Football League (AFL) for three seasons, from 2010 to 2012.