He was originally signed by the San Jose SaberCats of the Arena Football League (AFL) as an undrafted free agent in 2002.

[4][5] Davis signed with the San Jose SaberCats of the Arena Football League (AFL) in 2002 and played as a wide receiver and cornerback.

Davis missed much of the SaberCats' 2002 ArenaBowl championship season due to injury and joined the team practice squad after recovery.

[9] A restricted free agent in the 2008 offseason, Davis signed his one-year, $1,927,000 tender offer on April 18.

[10] During the 2009 preseason, Davis was locked in fierce competition with Devin Aromashodu and Brandon Rideau for a spot on the team's final 53-man roster.

[11] Despite only catching three passes during the entire preseason, Davis, a key special teams contributor, beat out Rideau for the final wide receiver spot.

On July 29, 2011, Davis signed with the Detroit Lions, where he was expected to see most of his playing time on special teams while also adding depth at the wide receiver position.

[13] During a 2011 game against the Green Bay Packers on Thanksgiving, Davis filled in at cornerback, as the Lions had suffered a rash of injuries in the secondary.

[18] In the SaberCats' final regular season game on July 27, a 65–40 win over the Chicago Rush, Davis returned one kick for 17 yards.

[22] Davis also operates Saturday Place, a charity and community outreach program, that assists public school students in Chicago.