Felipe Claybrooks has the distinction of playing in four different professional football leagues. He was not drafted and signed as a free agent with the Arizona Cardinals in 2001 but was released at the end of training camp. Claybrooks was signed to the Cleveland Browns practice squad in November 2001 and was added to the roster in December. He played in 2 games in 2001 and recorded 2 tackles. Claybrooks suffered a knee injury in 2002 and spent the season on the Browns injured reserve. In 2003, he saw action in 7 games for the Browns and registered another 2 tackles. The Browns allocated Claybrooks to NFL Europe in 2004. With the Cologne Centurions, Claybrooks had 11 sacks in just 10 games. This included a performance where he recorded 5 tackles, 3.5 sacks, 2 forced fumbles, and a pass defended in earning NFL Europe Defensive Player of the Week honors in a 7-6 Centurion win over the Rhein Fire. Despite the success, Claybrooks was on the Browns practice squad in 2004. In 2005, Claybrooks played in 5 games for the Montreal Alouettes of the CFL and recorded 3 sacks but was released late in season. Claybrooks signed with the Arena League’s Philadelphia Soul in October 2006 and wore this jersey in 2007. Claybrooks had a sack and a fumble return for a TD for the Soul in 2007.