Barclay has also been a member of the Berlin Thunder, Tennessee Titans, New Orleans Saints, and Atlanta Falcons.

[1] Following the 2006 season, Barclay was allocated to NFL Europa where he became the starting running back for the Berlin Thunder.

In his first action with the Browns during the 2007 preseason, he returned a kick-off 88 yards for the game-winning touchdown against the Kansas City Chiefs.

On November 22, 2007, Barclay was signed off the Cleveland Browns practice squad onto the active roster of the Tennessee Titans to replace Chris Henry, who had been suspended.

[2] He suffered a sprain knee on July 29, 2008, in training camp and was subsequently placed on injured reserve.